diff --git a/configure b/configure
index f415bf49..307912aa 100755
--- a/configure
+++ b/configure
@@ -208,7 +208,7 @@ typedef unsigned short ip_set_id_t;
 #include <linux/netfilter/xt_set.h>
 
 struct xt_set_info info;
-#if IPSET_PROTOCOL == 6
+#if IPSET_PROTOCOL == 6 || IPSET_PROTOCOL == 7
 int main(void)
 {
 	return IPSET_MAXNAMELEN;