diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index 70e9ec6..766d591 100644
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -20,7 +20,7 @@
 #include <linux/delayacct.h>
 
 int delayacct_on __read_mostly = 1;	/* Delay accounting turned on/off */
-kmem_cache_t *delayacct_cache;
+struct kmem_cache *delayacct_cache;
 
 static int __init delayacct_setup_disable(char *str)
 {