diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index f059c14efa0c..01b457b91159 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -1,3 +1,5 @@
+#ifndef _AACRAID_H_
+#define _AACRAID_H_
 #ifndef dprintk
 # define dprintk(x)
 #endif
@@ -2194,3 +2196,4 @@ extern int aac_commit;
 extern int update_interval;
 extern int check_interval;
 extern int aac_check_reset;
+#endif