diff --git a/src/core/nginx.c b/src/core/nginx.c
index eaae62e..29eee6a 100644
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -376,6 +376,13 @@
         }
     }
 
+    if (log->file->fd != ngx_stderr) {
+        if (ngx_close_file(log->file->fd) == NGX_FILE_ERROR) {
+            ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
+                          ngx_close_file_n " built-in log failed");
+        }
+    }
+
     ngx_use_stderr = 0;
 
     if (ngx_process == NGX_PROCESS_SINGLE) {