diff --git a/src/network/access/qhttp2connection.cpp b/src/network/access/qhttp2connection.cpp
index e425e5faea2..2839b3b0bde 100644
--- a/src/network/access/qhttp2connection.cpp
+++ b/src/network/access/qhttp2connection.cpp
@@ -859,8 +859,13 @@ QHttp2Connection::createStreamInternal()
     const quint32 streamID = m_nextStreamID;
     if (size_t(m_maxConcurrentStreams) <= size_t(numActiveLocalStreams()))
         return { QHttp2Connection::CreateStreamError::MaxConcurrentStreamsReached };
-    m_nextStreamID += 2;
-    return { createStreamInternal_impl(streamID) };
+
+    if (QHttp2Stream *ptr = createStreamInternal_impl(streamID)) {
+        m_nextStreamID += 2;
+        return {ptr};
+    }
+    // Connection could be broken, we could've ran out of memory, we don't know
+    return { QHttp2Connection::CreateStreamError::UnknownError };
 }
 
 QHttp2Stream *QHttp2Connection::createStreamInternal_impl(quint32 streamID)
diff --git a/src/network/access/qhttp2connection_p.h b/src/network/access/qhttp2connection_p.h
index 9c8470dda93..e75eb8169fe 100644
--- a/src/network/access/qhttp2connection_p.h
+++ b/src/network/access/qhttp2connection_p.h
@@ -212,6 +212,7 @@ public:
         MaxConcurrentStreamsReached,
         StreamIdsExhausted,
         ReceivedGOAWAY,
+        UnknownError,
     };
     Q_ENUM(CreateStreamError)