diff --git a/lib/Card.js b/lib/Card.js
index 2066122..6c6cade 100644
--- a/lib/Card.js
+++ b/lib/Card.js
@@ -45,7 +45,7 @@ const self = module.exports = {
     int_to_str(card_int) {
         const rank_int = self.get_rank_int(card_int);
         const suit_int = self.get_suit_int(card_int);
-        return STR_RANKS[rank_int] + SINT_SUIT_TO_CHAR_SUIT[suit_int];
+        return STR_RANKS[rank_int] + INT_SUIT_TO_CHAR_SUIT[suit_int];
     },
     get_rank_int(card_int) {
         return (card_int >> 8) & 0xF;