diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index acb8358..b219118 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -38,6 +38,7 @@
 #include <linux/sched.h>
 #include <linux/proc_fs.h>
 #include <linux/mm.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/string.h>
 #include <linux/errno.h>