diff --git a/src/libs/cplusplus/pp-engine.cpp b/src/libs/cplusplus/pp-engine.cpp
index 107e2ed4b7b..6ce879ea53c 100644
--- a/src/libs/cplusplus/pp-engine.cpp
+++ b/src/libs/cplusplus/pp-engine.cpp
@@ -1557,7 +1557,8 @@ bool Preprocessor::collectActualArguments(PPToken *tk, QVector<QVector<PPToken>
     }
 
     if (!tk->is(T_RPAREN)) {
-        //###TODO: else error message
+        return false;
+        //###TODO: error message
     }
     return true;
 }