diff --git a/src/http/modules/ngx_http_uwsgi_module.c b/src/http/modules/ngx_http_uwsgi_module.c
index 8d243bc90..6193c941e 100644
--- a/src/http/modules/ngx_http_uwsgi_module.c
+++ b/src/http/modules/ngx_http_uwsgi_module.c
@@ -1075,7 +1075,7 @@ ngx_http_uwsgi_create_request(ngx_http_request_t *r)
         while (*(uintptr_t *) le.ip) {
 
             lcode = *(ngx_http_script_len_code_pt *) le.ip;
-            key_len = (u_char) lcode(&le);
+            key_len = lcode(&le);
 
             lcode = *(ngx_http_script_len_code_pt *) le.ip;
             skip_empty = lcode(&le);