diff --git a/src/private/videorenderermanager.h b/src/private/videorenderermanager.h
index b323e5081a83b1cf53813cbe830d38f5169ede9e..d804f073e956cf68ed1c00710a7d7f1ab2bb8cb8 100644
--- a/src/private/videorenderermanager.h
+++ b/src/private/videorenderermanager.h
@@ -73,8 +73,8 @@ public Q_SLOTS:
 Q_SIGNALS:
    ///The preview started/stopped
    void previewStateChanged(bool startStop);
-   void previewStarted(Video::Renderer* Renderer);
-   void previewStopped(Video::Renderer* Renderer);
+   void previewStarted(Video::Renderer* renderer);
+   void previewStopped(Video::Renderer* renderer);
 
 };