diff --git a/components/rtgui/common/dc.c b/components/rtgui/common/dc.c
index 5c7d130037ee284e5b22a4150d23305be2801e01..9979668c66d0b79f05236d07c4df09a1b94a47b9 100644
--- a/components/rtgui/common/dc.c
+++ b/components/rtgui/common/dc.c
@@ -906,7 +906,7 @@ void rtgui_dc_draw_annulus(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_i
 	rt_int16_t temp_val = 0;
 
     /* Sanity check radius */
-	if ((r1 < 0) || (r1 < 0)) return ;
+	if ((r1 < 0) || (r2 < 0)) return ;
 	/* Special case for r=0 - draw a point */
 	if ((r1 == 0) && (r2 == 0))
 	{