diff --git a/src/libs/qmljs/parser/qmljs.g b/src/libs/qmljs/parser/qmljs.g
index 66e1fd204b4..998e9df6601 100644
--- a/src/libs/qmljs/parser/qmljs.g
+++ b/src/libs/qmljs/parser/qmljs.g
@@ -313,7 +313,7 @@ public:
     inline DiagnosticMessage diagnosticMessage() const
     {
         foreach (const DiagnosticMessage &d, diagnostic_messages) {
-            if (! d.kind == DiagnosticMessage::Warning)
+            if (d.kind != DiagnosticMessage::Warning)
                 return d;
         }