diff --git a/test/cfg/qt.cpp b/test/cfg/qt.cpp
index 39376a11e..1d9106532 100644
--- a/test/cfg/qt.cpp
+++ b/test/cfg/qt.cpp
@@ -24,5 +24,5 @@ int QString2() {
   QString s;
   // cppcheck-suppress ignoredReturnValue
   // cppcheck-suppress reademptycontainer
-  s.at(10);
-}
\ No newline at end of file
+  return s.size();
+}