--- a/dom/media/gmp/GMPCDMProxy.cpp
+++ b/dom/media/gmp/GMPCDMProxy.cpp
@@ -757,17 +757,17 @@ GMPCDMProxy::DecryptJob::PostResult(Decr
     NS_WARNING("CDM returned incorrect number of decrypted bytes");
   }
   if (aResult == Ok) {
     UniquePtr<MediaRawDataWriter> writer(mSample->CreateWriter());
     PodCopy(writer->Data(),
             aDecryptedData.Elements(),
             std::min<size_t>(aDecryptedData.Length(), mSample->Size()));
   } else if (aResult == NoKeyErr) {
-    NS_WARNING("CDM returned NoKeyErr");
+    EME_LOG("CDM returned NoKeyErr");
     // We still have the encrypted sample, so we can re-enqueue it to be
     // decrypted again once the key is usable again.
   } else {
     nsAutoCString str("CDM returned decode failure DecryptStatus=");
     str.AppendInt(aResult);
     NS_WARNING(str.get());
   }
   mPromise.Resolve(DecryptResult(aResult, mSample), __func__);