diff --git a/kernel/user.c b/kernel/user.c
index c1f93c1..4869563 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -26,7 +26,7 @@
 #define __uidhashfn(uid)	(((uid >> UIDHASH_BITS) + uid) & UIDHASH_MASK)
 #define uidhashentry(uid)	(uidhash_table + __uidhashfn((uid)))
 
-static kmem_cache_t *uid_cachep;
+static struct kmem_cache *uid_cachep;
 static struct list_head uidhash_table[UIDHASH_SZ];
 
 /*