diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
index 849953ccf..7b3f5b453 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
@@ -25,9 +25,8 @@ import java.util.Map;
 
 import javax.annotation.Nonnull;
 
+import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.fixThumbnailUrl;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.getTextFromObject;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTP;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTPS;
 
 /*
  * Created by Christian Schabesberger on 25.07.16.
@@ -128,13 +127,7 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
             String url = initialData.getObject("header").getObject("c4TabbedHeaderRenderer").getObject("avatar")
                     .getArray("thumbnails").getObject(0).getString("url");
 
-            if (url.startsWith(HTTP)) {
-                url = Utils.replaceHttpWithHttps(url);
-            } else if (!url.startsWith(HTTPS)) {
-                url = HTTPS + url;
-            }
-
-            return url;
+            return fixThumbnailUrl(url);
         } catch (Exception e) {
             throw new ParsingException("Could not get avatar", e);
         }
@@ -152,13 +145,7 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
                 return null;
             }
 
-            if (url.startsWith(HTTP)) {
-                url = Utils.replaceHttpWithHttps(url);
-            } else if (!url.startsWith(HTTPS)) {
-                url = HTTPS + url;
-            }
-
-            return url;
+            return fixThumbnailUrl(url);
         } catch (Exception e) {
             throw new ParsingException("Could not get banner", e);
         }
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelInfoItemExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelInfoItemExtractor.java
index 6a571daa5..29aa045b7 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelInfoItemExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelInfoItemExtractor.java
@@ -7,9 +7,8 @@ import org.schabi.newpipe.extractor.exceptions.ParsingException;
 import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeChannelLinkHandlerFactory;
 import org.schabi.newpipe.extractor.utils.Utils;
 
+import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.fixThumbnailUrl;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.getTextFromObject;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTP;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTPS;
 
 /*
  * Created by Christian Schabesberger on 12.02.17.
@@ -43,13 +42,7 @@ public class YoutubeChannelInfoItemExtractor implements ChannelInfoItemExtractor
         try {
             String url = channelInfoItem.getObject("thumbnail").getArray("thumbnails").getObject(0).getString("url");
 
-            if (url.startsWith(HTTP)) {
-                url = Utils.replaceHttpWithHttps(url);
-            } else if (!url.startsWith(HTTPS)) {
-                url = HTTPS + url;
-            }
-
-            return url;
+            return fixThumbnailUrl(url);
         } catch (Exception e) {
             throw new ParsingException("Could not get thumbnail url", e);
         }
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistExtractor.java
index 66768b9c1..fdd758681 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistExtractor.java
@@ -25,10 +25,9 @@ import java.util.Map;
 
 import javax.annotation.Nonnull;
 
+import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.fixThumbnailUrl;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.getTextFromObject;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.getUrlFromNavigationEndpoint;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTP;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTPS;
 
 @SuppressWarnings("WeakerAccess")
 public class YoutubePlaylistExtractor extends PlaylistExtractor {
@@ -136,13 +135,7 @@ public class YoutubePlaylistExtractor extends PlaylistExtractor {
         }
 
         if (url != null && !url.isEmpty()) {
-            if (url.startsWith(HTTP)) {
-                url = Utils.replaceHttpWithHttps(url);
-            } else if (!url.startsWith(HTTPS)) {
-                url = HTTPS + url;
-            }
-
-            return url;
+            return fixThumbnailUrl(url);
         }
         throw new ParsingException("Could not get playlist thumbnail");
     }
@@ -176,13 +169,7 @@ public class YoutubePlaylistExtractor extends PlaylistExtractor {
         try {
             String url = getUploaderInfo().getObject("thumbnail").getArray("thumbnails").getObject(0).getString("url");
 
-            if (url.startsWith(HTTP)) {
-                url = Utils.replaceHttpWithHttps(url);
-            } else if (!url.startsWith(HTTPS)) {
-                url = HTTPS + url;
-            }
-
-            return url;
+            return fixThumbnailUrl(url);
         } catch (Exception e) {
             throw new ParsingException("Could not get playlist uploader avatar", e);
         }
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistInfoItemExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistInfoItemExtractor.java
index 031b37373..5b4e7afc8 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistInfoItemExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistInfoItemExtractor.java
@@ -7,9 +7,8 @@ import org.schabi.newpipe.extractor.playlist.PlaylistInfoItemExtractor;
 import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubePlaylistLinkHandlerFactory;
 import org.schabi.newpipe.extractor.utils.Utils;
 
+import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.fixThumbnailUrl;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.getTextFromObject;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTP;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTPS;
 
 public class YoutubePlaylistInfoItemExtractor implements PlaylistInfoItemExtractor {
     private JsonObject playlistInfoItem;
@@ -24,13 +23,7 @@ public class YoutubePlaylistInfoItemExtractor implements PlaylistInfoItemExtract
             String url = playlistInfoItem.getArray("thumbnails").getObject(0)
                     .getArray("thumbnails").getObject(0).getString("url");
 
-            if (url.startsWith(HTTP)) {
-                url = Utils.replaceHttpWithHttps(url);
-            } else if (!url.startsWith(HTTPS)) {
-                url = HTTPS + url;
-            }
-
-            return url;
+            return fixThumbnailUrl(url);
         } catch (Exception e) {
             throw new ParsingException("Could not get thumbnail url", e);
         }
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java
index 144a72219..a05355684 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java
@@ -54,9 +54,9 @@ import java.util.Map;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
+import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.fixThumbnailUrl;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.getTextFromObject;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.getUrlFromNavigationEndpoint;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTP;
 
 /*
  * Created by Christian Schabesberger on 06.08.15.
@@ -189,13 +189,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
             // the last thumbnail is the one with the highest resolution
             String url = thumbnails.getObject(thumbnails.size() - 1).getString("url");
 
-            if (url.startsWith(HTTP)) {
-                url = Utils.replaceHttpWithHttps(url);
-            } else if (!url.startsWith(HTTPS)) {
-                url = HTTPS + url;
-            }
-
-            return url;
+            return fixThumbnailUrl(url);
         } catch (Exception e) {
             throw new ParsingException("Could not get thumbnail url");
         }
@@ -369,13 +363,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
             String url = getVideoSecondaryInfoRenderer().getObject("owner").getObject("videoOwnerRenderer")
                     .getObject("thumbnail").getArray("thumbnails").getObject(0).getString("url");
 
-            if (url.startsWith(HTTP)) {
-                url = Utils.replaceHttpWithHttps(url);
-            } else if (!url.startsWith(HTTPS)) {
-                url = HTTPS + url;
-            }
-
-            return url;
+            return fixThumbnailUrl(url);
         } catch (Exception e) {
             throw new ParsingException("Could not get uploader avatar url", e);
         }
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamInfoItemExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamInfoItemExtractor.java
index da22179ac..e981071ca 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamInfoItemExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamInfoItemExtractor.java
@@ -14,10 +14,9 @@ import org.schabi.newpipe.extractor.utils.Utils;
 
 import javax.annotation.Nullable;
 
+import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.fixThumbnailUrl;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.getTextFromObject;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper.getUrlFromNavigationEndpoint;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTP;
-import static org.schabi.newpipe.extractor.utils.Utils.HTTPS;
 
 /*
  * Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
@@ -201,13 +200,7 @@ public class YoutubeStreamInfoItemExtractor implements StreamInfoItemExtractor {
             String url = videoInfo.getObject("thumbnail").getArray("thumbnails")
                     .getObject(0).getString("url");
 
-            if (url.startsWith(HTTP)) {
-                url = Utils.replaceHttpWithHttps(url);
-            } else if (!url.startsWith(HTTPS)) {
-                url = HTTPS + url;
-            }
-
-            return url;
+            return fixThumbnailUrl(url);
         } catch (Exception e) {
             throw new ParsingException("Could not get thumbnail url", e);
         }
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/linkHandler/YoutubeParsingHelper.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/linkHandler/YoutubeParsingHelper.java
index 63e204246..0061d6d05 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/linkHandler/YoutubeParsingHelper.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/linkHandler/YoutubeParsingHelper.java
@@ -12,6 +12,7 @@ import org.schabi.newpipe.extractor.downloader.Response;
 import org.schabi.newpipe.extractor.exceptions.ParsingException;
 import org.schabi.newpipe.extractor.exceptions.ReCaptchaException;
 import org.schabi.newpipe.extractor.utils.Parser;
+import org.schabi.newpipe.extractor.utils.Utils;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URL;
@@ -27,6 +28,8 @@ import java.util.List;
 import java.util.Map;
 
 import static org.schabi.newpipe.extractor.NewPipe.getDownloader;
+import static org.schabi.newpipe.extractor.utils.Utils.HTTP;
+import static org.schabi.newpipe.extractor.utils.Utils.HTTPS;
 
 /*
  * Created by Christian Schabesberger on 02.03.16.
@@ -319,4 +322,18 @@ public class YoutubeParsingHelper {
     public static String getTextFromObject(JsonObject textObject) {
         return getTextFromObject(textObject, false);
     }
+
+    public static String fixThumbnailUrl(String thumbnailUrl) {
+        if (thumbnailUrl.startsWith("//")) {
+            thumbnailUrl = thumbnailUrl.substring(2);
+        }
+
+        if (thumbnailUrl.startsWith(HTTP)) {
+            thumbnailUrl = Utils.replaceHttpWithHttps(thumbnailUrl);
+        } else if (!thumbnailUrl.startsWith(HTTPS)) {
+            thumbnailUrl = "https://" + thumbnailUrl;
+        }
+
+        return thumbnailUrl;
+    }
 }