diff --git a/gtk2_ardour/editor_drag.cc b/gtk2_ardour/editor_drag.cc
index 5fd6d4011b..89a2944dac 100644
--- a/gtk2_ardour/editor_drag.cc
+++ b/gtk2_ardour/editor_drag.cc
@@ -3318,7 +3318,7 @@ LineDrag::motion (GdkEvent* event, bool)
 }
 
 void
-LineDrag::finished (GdkEvent* event, bool movement_occured)
+LineDrag::finished (GdkEvent* event, bool)
 {
 	if (movement_occured) {
 		motion (event, false);