diff --git a/src/core/filesystemwatcherinterface.h b/src/core/filesystemwatcherinterface.h
index d342a7417..821457968 100644
--- a/src/core/filesystemwatcherinterface.h
+++ b/src/core/filesystemwatcherinterface.h
@@ -40,7 +40,7 @@ class FileSystemWatcherInterface : public QObject {
   static FileSystemWatcherInterface *Create(QObject *parent = nullptr);
 
  signals:
-  void PathChanged(const QString &path);
+  void PathChanged(QString path);
 };
 
 #endif