diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
index 8d3b065..98b80b4 100644
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -264,7 +264,12 @@
 #else
 
         rev->event_handler = &ngx_event_accept;
-        ngx_add_event(rev, NGX_READ_EVENT, 0);
+
+        if (ngx_event_flags & NGX_USE_SIGIO_EVENT) {
+            ngx_add_conn(c);
+        } else {
+            ngx_add_event(rev, NGX_READ_EVENT, 0);
+        }
 
 #endif
     }