diff --git a/lib/rt_names.c b/lib/rt_names.c
index f6d17c0e..b665d3e9 100644
--- a/lib/rt_names.c
+++ b/lib/rt_names.c
@@ -18,6 +18,7 @@
 #include <sys/time.h>
 #include <sys/socket.h>
 #include <dirent.h>
+#include <limits.h>
 
 #include <asm/types.h>
 #include <linux/rtnetlink.h>