diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
index 402a7f5e2..ed7b30bf3 100644
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -318,7 +318,7 @@ ngx_handle_read_event(ngx_event_t *rev, ngx_uint_t flags)
             return NGX_OK;
         }
 
-        if (rev->oneshot && !rev->ready) {
+        if (rev->oneshot && rev->ready) {
             if (ngx_del_event(rev, NGX_READ_EVENT, 0) == NGX_ERROR) {
                 return NGX_ERROR;
             }