diff --git a/headers/private/storage/DiskDeviceVisitor.h b/headers/private/storage/DiskDeviceVisitor.h
index e89a1c8f99..24b5f877d3 100644
--- a/headers/private/storage/DiskDeviceVisitor.h
+++ b/headers/private/storage/DiskDeviceVisitor.h
@@ -22,4 +22,4 @@ public:
 	virtual bool Visit(BPartition *partition, int32 level);
 };
 
-#endif _DISK_DEVICE_VISITOR_H
+#endif	// _DISK_DEVICE_VISITOR_H