diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index 3d46dc4a6b..b1be8ff408 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -82,7 +82,7 @@ static bool qt_pixmap_thread_test()
         return false;
     }
 
-    if (qApp->thread() != QThread::currentThread()) {
+    if (QGuiApplicationPrivate::instance() && qApp->thread() != QThread::currentThread()) {
         bool fail = false;
         if (!QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::ThreadedPixmaps)) {
             printf("Platform plugin does not support threaded pixmaps!\n");