diff --git a/src/http/modules/ngx_http_addition_filter_module.c b/src/http/modules/ngx_http_addition_filter_module.c
index 040244c7e..4b4259e97 100644
--- a/src/http/modules/ngx_http_addition_filter_module.c
+++ b/src/http/modules/ngx_http_addition_filter_module.c
@@ -181,7 +181,7 @@ ngx_http_addition_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
 
     rc = ngx_http_next_body_filter(r, in);
 
-    if (rc == NGX_ERROR || !last || conf->after_body.len == 0) {
+    if (rc == NGX_ERROR || !last) {
         return rc;
     }