diff --git a/src/match.c b/src/match.c
index d06b7420..1c0a59ae 100644
--- a/src/match.c
+++ b/src/match.c
@@ -397,8 +397,10 @@ int match_ips(const char *s1, const char *s2)
 	else
 		return 0;
 
-	rb_inet_pton(aftype, address, ipptr);
-	rb_inet_pton(aftype, mask, maskptr);
+	if (rb_inet_pton(aftype, address, ipptr) <= 0)
+		return 0;
+	if (rb_inet_pton(aftype, mask, maskptr) <= 0)
+		return 0;
 	if (comp_with_mask(ipptr, maskptr, cidrlen))
 		return 1;
 	else
@@ -471,8 +473,10 @@ int match_cidr(const char *s1, const char *s2)
 	else
 		return 0;
 
-	rb_inet_pton(aftype, ip, ipptr);
-	rb_inet_pton(aftype, ipmask, maskptr);
+	if (rb_inet_pton(aftype, ip, ipptr) <= 0)
+		return 0;
+	if (rb_inet_pton(aftype, ipmask, maskptr) <= 0)
+		return 0;
 	if (comp_with_mask(ipptr, maskptr, cidrlen) && match(mask, address))
 		return 1;
 	else