diff --git a/tests/manual/debugger/simple/simple_test_app.cpp b/tests/manual/debugger/simple/simple_test_app.cpp
index 10620035101..9b534962fa5 100644
--- a/tests/manual/debugger/simple/simple_test_app.cpp
+++ b/tests/manual/debugger/simple/simple_test_app.cpp
@@ -5866,6 +5866,8 @@ namespace bug6863 {
 
     void test6863()
     {
+        QFile file("/tmp/tt");
+        setProp(&file);
         MyObject obj;
         setProp(&obj);
     }