diff --git a/src/cw/vendors.h b/src/cw/vendors.h
index b46c1ba0..8ad2d4fe 100644
--- a/src/cw/vendors.h
+++ b/src/cw/vendors.h
@@ -21,8 +21,8 @@
  * @brief Definition of vendor IDs
  */
 
-#ifndef __VENDORS_H
-#define __VENDORS_H
+#ifndef __CW_VENDORS_H
+#define __CW_VENDORS_H
 
 #define LW_VENDOR_ID_CISCO	4232704