Use negative port number to indicate unix socket

1 files changed, 1 insertions, 1 deletions

diff --git a/library.c b/library.c
index 6bf42a94..0ef3e658 100644
--- a/library.c
+++ b/library.c
@@ -1807,7 +1807,7 @@ PHP_REDIS_API int redis_sock_connect(RedisSock *redis_sock)
         schema = estrndup(address, pos - address);
         address = pos + sizeof("://") - 1;
     }
-    if (redis_sock->port < 1) {
+    if (redis_sock->port < 0) {
         host_len = snprintf(host, sizeof(host), "unix://%s", address);
         usocket = 1;
     } else {