diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index f01ab87182df12b0bc98b2d276f462230345077b..88ce65a4004b290a91594bd69a4487d3966807c6 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -54,7 +54,7 @@ struct TTCHeader;
 typedef struct TableRecord
 {
   int cmp (Tag t) const
-  { return t.cmp (tag); }
+  { return -t.cmp (tag); }
 
   static int cmp (const void *pa, const void *pb)
   {