diff --git a/zebra/rt_netlink.h b/zebra/rt_netlink.h
index 48afef71ef..3b339ec670 100644
--- a/zebra/rt_netlink.h
+++ b/zebra/rt_netlink.h
@@ -34,7 +34,7 @@
 #define RTPROT_RIP         189
 #define RTPROT_RIPNG       190
 #if !defined(RTPROT_BABEL)
-#define BABEL              42
+#define RTPROT_BABEL              42
 #endif
 
 void rt_netlink_init (void);