diff --git a/gtk2_ardour/editor_drag.cc b/gtk2_ardour/editor_drag.cc
index cff5a233e3..5fd6d4011b 100644
--- a/gtk2_ardour/editor_drag.cc
+++ b/gtk2_ardour/editor_drag.cc
@@ -3331,7 +3331,7 @@ LineDrag::finished (GdkEvent* event, bool movement_occured)
 		_line->end_drag (false, 0);
 
 		if ((atv = dynamic_cast<AutomationTimeAxisView*>(_editor->clicked_axisview)) != 0) {
-			framepos_t where = _editor->event_frame (event, 0, 0);
+			framepos_t where = _editor->window_event_frame (event, 0, 0);
 			atv->add_automation_event (event, where, event->button.y, false);
 		}
 	}