diff --git a/lib/rt_names.c b/lib/rt_names.c
index 0e505596..8d019a00 100644
--- a/lib/rt_names.c
+++ b/lib/rt_names.c
@@ -333,7 +333,7 @@ char * rtnl_rttable_n2a(__u32 id, char *buf, int len)
 {
 	struct rtnl_hash_entry *entry;
 
-	if (id >= RT_TABLE_MAX) {
+	if (id > RT_TABLE_MAX) {
 		snprintf(buf, len, "%u", id);
 		return buf;
 	}