--- a/dom/media/platforms/android/AndroidDecoderModule.cpp
+++ b/dom/media/platforms/android/AndroidDecoderModule.cpp
@@ -99,16 +99,23 @@ AndroidDecoderModule::SupportsMimeType(
   // Not all android devices support FLAC even when they say they do.
   if (OpusDataDecoder::IsOpus(aMimeType) ||
       VorbisDataDecoder::IsVorbis(aMimeType) ||
       aMimeType.EqualsLiteral("audio/flac")) {
     LOG("Rejecting audio of type %s", aMimeType.Data());
     return false;
   }
 
+  // Prefer the gecko decoder for Theora.
+  // Not all android devices support Theora even when they say they do.
+  if (TheoraDecoder::IsTheora(aMimeType)) {
+    LOG("Rejecting video of type %s", aMimeType.Data());
+    return false;
+  }
+
   return java::HardwareCodecCapabilityUtils::FindDecoderCodecInfoForMimeType(
     nsCString(TranslateMimeType(aMimeType)));
 }
 
 already_AddRefed<MediaDataDecoder>
 AndroidDecoderModule::CreateVideoDecoder(const CreateDecoderParams& aParams)
 {
   // Temporary - forces use of VPXDecoder when alpha is present.