--- a/dom/html/HTMLMediaElement.cpp
+++ b/dom/html/HTMLMediaElement.cpp
@@ -5324,17 +5324,17 @@ void HTMLMediaElement::DecodeError(const
   }
 }
 
 void HTMLMediaElement::DecodeWarning(const MediaResult& aError)
 {
   nsAutoString src;
   GetCurrentSrc(src);
   DecoderDoctorDiagnostics diagnostics;
-  diagnostics.StoreDecodeError(OwnerDoc(), aError, src, __func__);
+  diagnostics.StoreDecodeWarning(OwnerDoc(), aError, src, __func__);
 }
 
 bool HTMLMediaElement::HasError() const
 {
   return GetError();
 }
 
 void HTMLMediaElement::LoadAborted()