--- a/mobile/android/base/java/org/mozilla/gecko/icons/preparation/FilterMimeTypes.java
+++ b/mobile/android/base/java/org/mozilla/gecko/icons/preparation/FilterMimeTypes.java
@@ -23,17 +23,17 @@ public class FilterMimeTypes implements 
 
         while (iterator.hasNext()) {
             final IconDescriptor descriptor = iterator.next();
             final String mimeType = descriptor.getMimeType();
 
             if (TextUtils.isEmpty(mimeType)) {
                 // We do not have a MIME type for this icon, so we cannot know in advance if we are able
                 // to decode it. Let's just continue.
-                return;
+                continue;
             }
 
             if (!IconsHelper.canDecodeType(mimeType)) {
                 iterator.remove();
             }
         }
     }
 }