diff --git a/path.h b/path.h
index 025aafa..b990bbb 100644
--- a/path.h
+++ b/path.h
@@ -20,7 +20,7 @@ private:
 public:
     Path();
     Path(QFile *file);
-    void addStep(int indice);
+    void addStep(int indice=step.size());
 };
 
 #endif // PATH_H