diff --git a/core/src/main/java/de/danoeh/antennapod/core/glide/FastBlurTransformation.java b/core/src/main/java/de/danoeh/antennapod/core/glide/FastBlurTransformation.java
index d2d9e5947..bca4b1be8 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/glide/FastBlurTransformation.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/glide/FastBlurTransformation.java
@@ -31,6 +31,16 @@ public class FastBlurTransformation extends BitmapTransformation {
         return result;
     }
 
+    @Override
+    public boolean equals(Object o) {
+        return o instanceof FastBlurTransformation;
+    }
+
+    @Override
+    public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
+        messageDigest.update(TAG.getBytes());
+    }
+
     private static Bitmap fastBlur(Bitmap bitmap, int radius) {
 
         // Stack Blur v1.0 from
@@ -269,9 +279,4 @@ public class FastBlurTransformation extends BitmapTransformation {
         bitmap.setPixels(pix, 0, w, 0, 0, w, h);
         return bitmap;
     }
-
-    @Override
-    public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
-        messageDigest.update(TAG.getBytes());
-    }
-}
\ No newline at end of file
+}