diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index a826573..ce47a9e 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -2353,7 +2353,7 @@
      *     conf->upstream.store_lengths = NULL;
      *     conf->upstream.store_values = NULL;
      *
-     *     conf->method = NULL;
+     *     conf->method = { 0, NULL };
      *     conf->headers_source = NULL;
      *     conf->headers_set_len = NULL;
      *     conf->headers_set = NULL;
@@ -2657,10 +2657,11 @@
 
 #endif
 
-    if (conf->method.len == 0) {
-        conf->method = prev->method;
+    ngx_conf_merge_str_value(conf->method, prev->method, "");
 
-    } else {
+    if (conf->method.len
+        && conf->method.data[conf->method.len - 1] != ' ')
+    {
         conf->method.data[conf->method.len] = ' ';
         conf->method.len++;
     }