diff --git a/tests/manual/debugger/simple/simple_test_app.cpp b/tests/manual/debugger/simple/simple_test_app.cpp
index bf68715feff..72fa8f760c5 100644
--- a/tests/manual/debugger/simple/simple_test_app.cpp
+++ b/tests/manual/debugger/simple/simple_test_app.cpp
@@ -23,6 +23,8 @@
 **
 ****************************************************************************/
 
+#include <qglobal.h>
+
 ////////////////  Some global configuration below ////////////////