diff --git a/src/event/ngx_event_accept.c b/src/event/ngx_event_accept.c
index 4bf1043..dacd7e4 100644
--- a/src/event/ngx_event_accept.c
+++ b/src/event/ngx_event_accept.c
@@ -63,7 +63,8 @@
             return;
         }
 
-        if (s >= ecf->connections) {
+        /* disable warnings: Win32 SOCKET is u_int while UNIX socket is int */
+        if ((unsigned) s >= (unsigned) ecf->connections) {
 
             ngx_log_error(NGX_LOG_ALERT, ev->log, 0,
                           "accept() %s returned socket #%d while "