1 files changed, 2 insertions, 2 deletions
diff --git a/src/libs/cplusplus/pp-engine.h b/src/libs/cplusplus/pp-engine.h
index 2895e2eddf..46ea0bc061 100644
--- a/src/libs/cplusplus/pp-engine.h
+++ b/src/libs/cplusplus/pp-engine.h
@@ -67,10 +67,10 @@ class CPLUSPLUS_EXPORT Preprocessor
 public:
     Preprocessor(Client *client, Environment *env);
 
-    QByteArray operator()(const QByteArray &filename,
+    QByteArray operator()(const QString &filename,
                           const QByteArray &source);
 
-    void preprocess(const QByteArray &filename,
+    void preprocess(const QString &filename,
                     const QByteArray &source,
                     QByteArray *result);