diff --git a/src/cff/cffload.c b/src/cff/cffload.c
index 76e8fd4a2..9996fa70a 100644
--- a/src/cff/cffload.c
+++ b/src/cff/cffload.c
@@ -771,8 +771,7 @@
 
     case 3:
       /* first, compare to the cache */
-      if ( (FT_UInt)( glyph_index - fdselect->cache_first ) <
-                        fdselect->cache_count )
+      if ( glyph_index - fdselect->cache_first < fdselect->cache_count )
       {
         fd = fdselect->cache_fd;
         break;