diff --git a/src/http/ngx_http_header_filter_module.c b/src/http/ngx_http_header_filter_module.c
index 9b89405..76f6e96 100644
--- a/src/http/ngx_http_header_filter_module.c
+++ b/src/http/ngx_http_header_filter_module.c
@@ -197,6 +197,10 @@
         }
     }
 
+    if (r->keepalive && (ngx_terminate || ngx_exiting)) {
+        r->keepalive = 0;
+    }
+
     len = sizeof("HTTP/1.x ") - 1 + sizeof(CRLF) - 1
           /* the end of the header */
           + sizeof(CRLF) - 1;