diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
index dc4dc89..87b6d7d 100644
--- a/src/core/ngx_cycle.c
+++ b/src/core/ngx_cycle.c
@@ -679,7 +679,7 @@
             ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
                           "deleting socket %s", name);
 
-            if (ngx_delete_file(name) == -1) {
+            if (ngx_delete_file(name) == NGX_FILE_ERROR) {
                 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
                               ngx_delete_file_n " %s failed", name);
             }