diff --git a/src/apps/bin/route/route.c b/src/apps/bin/route/route.c
index 163d9c41e3..41b2dbc678 100644
--- a/src/apps/bin/route/route.c
+++ b/src/apps/bin/route/route.c
@@ -55,6 +55,15 @@
 
 #include "keywords.h"
 
+#ifndef __P
+#define	__P(s) s
+#endif
+
+#ifndef __CONCAT
+#define	__CONCAT(x,y)	x ## y
+#endif
+
+
 // phoudoin, 20031026: FIXME: sysctl.h is a kernel private header!
 extern int sysctl(int *, uint, void *, size_t *, void *, size_t);
 
diff --git a/src/apps/bin/route/show.c b/src/apps/bin/route/show.c
index 417b3b8918..7bc402b29c 100644
--- a/src/apps/bin/route/show.c
+++ b/src/apps/bin/route/show.c
@@ -52,6 +52,10 @@
 #include <string.h>
 #include <unistd.h>
 
+#ifndef __P
+#define	__P(s) s
+#endif
+
 // phoudoin, 20031026: FIXME: sysctl.h is a kernel private header!
 extern int sysctl(int *, uint, void *, size_t *, void *, size_t);