diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/channel/ChannelTabExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/channel/ChannelTabExtractor.java
index bcd46bbb3..65b505c1f 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/channel/ChannelTabExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/channel/ChannelTabExtractor.java
@@ -15,6 +15,7 @@ public abstract class ChannelTabExtractor extends ListExtractor<InfoItem> {
         super(service, linkHandler);
     }
 
+    @Nonnull
     public String getTab() {
         return getLinkHandler().getContentFilters().get(0);
     }