diff --git a/lib/hash.c b/lib/hash.c
index 987012a..56e41fa 100644
--- a/lib/hash.c
+++ b/lib/hash.c
@@ -36,6 +36,7 @@
   hash->index = XCALLOC (MTYPE_HASH_INDEX,
 			 sizeof (struct hash_backet *) * size);
   hash->size = size;
+  hash->no_expand = 0;
   hash->hash_key = hash_key;
   hash->hash_cmp = hash_cmp;
   hash->count = 0;