diff --git a/src/server.c b/src/server.c
index 4043c61a..ffd73859 100644
--- a/src/server.c
+++ b/src/server.c
@@ -458,6 +458,7 @@ int main(int argc, char **argv) {
     if (endswith(info.iface, ".sock") || endswith(info.iface, ".socket")) {
 #if defined(LWS_USE_UNIX_SOCK) || defined(LWS_WITH_UNIX_SOCK)
       info.options |= LWS_SERVER_OPTION_UNIX_SOCK;
+      info.port = 0; // warmcat/libwebsockets#1985
       strncpy(server->socket_path, info.iface, sizeof(server->socket_path) - 1);
 #else
       fprintf(stderr,