diff --git a/rtgui/common/font_hz_file.c b/rtgui/common/font_hz_file.c
index b805de5ad..e76439b55 100644
--- a/rtgui/common/font_hz_file.c
+++ b/rtgui/common/font_hz_file.c
@@ -72,7 +72,7 @@ static rt_uint8_t* _font_cache_get(struct rtgui_hz_file_font* font, rt_uint16_t
     {
         /* remove a cache */
         struct hz_cache* left;
-        left = SPLAY_LEFT(font->cache_root.sph_root, hz_node);
+        left = font->cache_root.sph_root;
         while (SPLAY_LEFT(left, hz_node) != RT_NULL) left = SPLAY_LEFT(left, hz_node);
 
         /* remove the left node */