diff --git a/netwerk/protocol/http/Http2Session.cpp b/netwerk/protocol/http/Http2Session.cpp
index 9ca303c9a273..fc01eeb52904 100644
--- a/netwerk/protocol/http/Http2Session.cpp
+++ b/netwerk/protocol/http/Http2Session.cpp
@@ -1011,8 +1011,10 @@ Http2Session::CleanupStream(Http2Stream *aStream, nsresult aResult,
     pushSource->SetConsumerStream(nullptr);
   }
 
-  if (!aStream->RecvdFin() && !aStream->RecvdReset() && aStream->StreamID()) {
-    LOG3(("Stream had not processed recv FIN, sending RST code %X\n", aResetCode));
+  // don't reset a stream that has recevied a fin or rst
+  if (!aStream->RecvdFin() && !aStream->RecvdReset() && aStream->StreamID() &&
+      !(mInputFrameFinal && (aStream == mInputFrameDataStream))) { // !(recvdfin with mark pending)
+    LOG3(("Stream 0x%X had not processed recv FIN, sending RST code %X\n", aStream->StreamID(), aResetCode));
     GenerateRstStream(aResetCode, aStream->StreamID());
   }