1 files changed, 1 insertions, 1 deletions
diff --git a/src/network/access/qhttpnetworkconnection.cpp b/src/network/access/qhttpnetworkconnection.cpp
index c4cb8e65c0..bb1580044f 100644
--- a/src/network/access/qhttpnetworkconnection.cpp
+++ b/src/network/access/qhttpnetworkconnection.cpp
@@ -263,7 +263,7 @@ void QHttpNetworkConnectionPrivate::prepareRequest(HttpMessagePair &messagePair)
             request.setContentLength(uploadByteDevice->size());
         } else if (request.contentLength() != -1 && uploadByteDevice->size() == -1) {
             // everything OK, the user supplied us the contentLength
-        } else if (request.contentLength() == -1 && uploadByteDevice->size() == -1) {
+        } else if (Q_UNLIKELY(request.contentLength() == -1 && uploadByteDevice->size() == -1)) {
             qFatal("QHttpNetworkConnectionPrivate: Neither content-length nor upload device size were given");
         }
     }