diff --git a/gui_canvas.c b/gui_canvas.c
index b529f5c..a6019d0 100644
--- a/gui_canvas.c
+++ b/gui_canvas.c
@@ -214,6 +214,7 @@ static gboolean button_press_event(GtkWidget *widget, GdkEventButton *event,
 			drag_start = pos;
 			break;
 		}
+		tool_reset();
 		prev = selected_inst;
 		inst_select(pos);
 		if (prev != selected_inst)