diff --git a/tests/auto/gui/kernel/noqteventloop/tst_noqteventloop.cpp b/tests/auto/gui/kernel/noqteventloop/tst_noqteventloop.cpp
index e7a2a67895..8aec8ddcc6 100644
--- a/tests/auto/gui/kernel/noqteventloop/tst_noqteventloop.cpp
+++ b/tests/auto/gui/kernel/noqteventloop/tst_noqteventloop.cpp
@@ -131,7 +131,8 @@ public:
     }
 
 
-    void run() {
+    void run() override
+    {
         struct ScopedCleanup
         {
             /* This is in order to ensure that the window is hidden when returning from run(),