diff --git a/lib/pleroma/web/media_proxy.ex b/lib/pleroma/web/media_proxy.ex
index 27f337138..d0d4bb4b3 100644
--- a/lib/pleroma/web/media_proxy.ex
+++ b/lib/pleroma/web/media_proxy.ex
@@ -121,6 +121,11 @@ defmodule Pleroma.Web.MediaProxy do
     end
   end
 
+  def decode_url(encoded) do
+    [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/")
+    decode_url(sig, base64)
+  end
+
   defp signed_url(url) do
     :crypto.hmac(:sha, Config.get([Web.Endpoint, :secret_key_base]), url)
   end
diff --git a/test/pleroma/web/media_proxy_test.exs b/test/pleroma/web/media_proxy_test.exs
index 7411d0a7a..b5ee6328d 100644
--- a/test/pleroma/web/media_proxy_test.exs
+++ b/test/pleroma/web/media_proxy_test.exs
@@ -11,8 +11,7 @@ defmodule Pleroma.Web.MediaProxyTest do
   alias Pleroma.Web.MediaProxy
 
   defp decode_result(encoded) do
-    [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/")
-    {:ok, decoded} = MediaProxy.decode_url(sig, base64)
+    {:ok, decoded} = MediaProxy.decode_url(encoded)
     decoded
   end