diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c
index 78274dc91f5c..9dde8df2f5c9 100644
--- a/drivers/scsi/sr_vendor.c
+++ b/drivers/scsi/sr_vendor.c
@@ -68,8 +68,8 @@ void sr_vendor_init(Scsi_CD *cd)
 #ifndef CONFIG_BLK_DEV_SR_VENDOR
 	cd->vendor = VENDOR_SCSI3;
 #else
-	char *vendor = cd->device->vendor;
-	char *model = cd->device->model;
+	const char *vendor = cd->device->vendor;
+	const char *model = cd->device->model;
 	
 	/* default */
 	cd->vendor = VENDOR_SCSI3;