strip charset name quotes
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index ae86b98..6bbf872 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -2632,7 +2632,17 @@
r->headers_out.content_type_len = last - h->value.data;
- r->headers_out.charset.len = h->value.data + h->value.len - p;
+ if (*p == '"') {
+ p++;
+ }
+
+ last = h->value.data + h->value.len;
+
+ if (*(last - 1) == '"') {
+ last--;
+ }
+
+ r->headers_out.charset.len = last - p;
r->headers_out.charset.data = p;
return NGX_OK;