diff --git a/src/libproxychains.c b/src/libproxychains.c
index 7373d55..20bf993 100644
--- a/src/libproxychains.c
+++ b/src/libproxychains.c
@@ -332,7 +332,7 @@ static int is_v4inv6(const struct in6_addr *a) {
 	return a->s6_addr32[0] == 0 && a->s6_addr32[1] == 0 &&
 	       a->s6_addr16[4] == 0 && a->s6_addr16[5] == 0xffff;
 }
-int connect(int sock, const struct sockaddr *addr, unsigned int len) {
+int connect(int sock, const struct sockaddr *addr, socklen_t len) {
 	INIT();
 	PFUNC();