diff --git a/src/corelib/thread/qthread_win.cpp b/src/corelib/thread/qthread_win.cpp
index caf51722cd..eebaf90d9b 100644
--- a/src/corelib/thread/qthread_win.cpp
+++ b/src/corelib/thread/qthread_win.cpp
@@ -511,7 +511,7 @@ void QThread::start(Priority priority)
 #endif // Q_OS_WINRT
 
     if (!d->handle) {
-        qErrnoWarning(errno, "QThread::start: Failed to create thread");
+        qErrnoWarning("QThread::start: Failed to create thread");
         d->running = false;
         d->finished = true;
         return;