diff --git a/src/hash.c b/src/hash.c
index 453c41b..117de13 100755
--- a/src/hash.c
+++ b/src/hash.c
@@ -118,6 +118,7 @@ void    ENHashTableFree(ENHashTable *ht)
     while (entry != NULL)
     {
       nextentry = entry->next;
+      free(entry->key);
       free(entry);
       entry = nextentry;
     }