diff --git a/src/lv_font/lv_font_fmt_txt.c b/src/lv_font/lv_font_fmt_txt.c
index 0e7f024ae..345666f93 100644
--- a/src/lv_font/lv_font_fmt_txt.c
+++ b/src/lv_font/lv_font_fmt_txt.c
@@ -114,7 +114,7 @@ static uint32_t get_glyph_dsc_id(const lv_font_t * font, uint32_t letter)
     lv_font_fmt_txt_dsc_t * fdsc = (lv_font_fmt_txt_dsc_t *) font->dsc;
 
     /*Check the chacge first*/
-    if(letter == fdsc->last_letter) fdsc->last_glyph_id;
+    if(letter == fdsc->last_letter) return fdsc->last_glyph_id;
 
     uint16_t i;
     for(i = 0; i < fdsc->cmap_num; i++) {