diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index b885c1d..4516369 100644
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -128,6 +128,7 @@
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/ide.h>
+#include <linux/slab.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>