diff --git a/src/zone.c b/src/zone.c
index 3ddaaf8f..ce9a58d5 100644
--- a/src/zone.c
+++ b/src/zone.c
@@ -86,10 +86,6 @@ void* msgpack_zone_malloc_expand(msgpack_zone* zone, size_t size)
 			sizeof(msgpack_zone_chunk) + sz);
 	if (chunk == NULL)  return NULL;
 	char* ptr = ((char*)chunk) + sizeof(msgpack_zone_chunk);
-	if (ptr == NULL) {
-	  free(chunk);
-	  return NULL;
-	}
 	chunk->next = cl->head;
 	cl->head = chunk;
 	cl->free = sz - size;