1 files changed, 2 insertions, 1 deletions
diff --git a/atari/toolbar.c b/atari/toolbar.c
index a5e747295..0b7af6f37 100755
--- a/atari/toolbar.c
+++ b/atari/toolbar.c
@@ -415,7 +415,8 @@ void tb_url_redraw( struct gui_window * gw )
 
 			plotter->resize(plotter, work.g_w, work.g_h );
 			plotter->move(plotter, work.g_x, work.g_y );
-			plotter->lock( plotter );
+			if( plotter->lock( plotter ) == 0 )
+				return;
 
 			todo[0] = work.g_x;
 			todo[1] = work.g_y;