diff --git a/src/http/modules/ngx_http_dav_module.c b/src/http/modules/ngx_http_dav_module.c
index ad673f5..277a5bf 100644
--- a/src/http/modules/ngx_http_dav_module.c
+++ b/src/http/modules/ngx_http_dav_module.c
@@ -130,7 +130,7 @@
     case NGX_HTTP_PUT:
 
         if (r->uri.data[r->uri.len - 1] == '/') {
-            return NGX_DECLINED;
+            return NGX_HTTP_BAD_REQUEST;
         }
 
         r->request_body_in_file_only = 1;