diff --git a/include/piano_roll.h b/include/piano_roll.h
index 162a6723c..05993c27f 100644
--- a/include/piano_roll.h
+++ b/include/piano_roll.h
@@ -89,7 +89,7 @@ public:
 		return "pianoroll";
 	}
 
-	void updatePlayPauseIcon();
+	void setPauseIcon( bool pause );
 
 
 protected: