# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1160060966 0
# Node ID 75d767d32624a3f0d5e4d7217ee8d44487de6538
# Parent  63a08390a8a27d7e5d66d3d5f004d75d11a6eb29
nonexistent $sent_http_content has value of $sent_http_content_length or so

diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c
--- a/src/http/ngx_http_variables.c
+++ b/src/http/ngx_http_variables.c
@@ -640,7 +640,7 @@ ngx_http_variable_unknown_header(ngx_htt
             }
         }
 
-        if (n + prefix == var->len) {
+        if (n + prefix == var->len && n == header[i].key.len) {
             v->len = header[i].value.len;
             v->valid = 1;
             v->no_cachable = 0;