--- a/uwsgi.t
+++ b/uwsgi.t
@@ -21,7 +21,7 @@ use Test::Nginx;
 select STDERR; $| = 1;
 select STDOUT; $| = 1;
 
-my $t = Test::Nginx->new()->has(qw/http uwsgi/)->has_daemon('uwsgi')->plan(4)
+my $t = Test::Nginx->new()->has(qw/http uwsgi/)->has_daemon('uwsgi')->plan(5)
 	->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%
@@ -34,6 +34,10 @@ events {
 http {
     %%TEST_GLOBALS_HTTP%%
 
+    upstream u {
+        server 127.0.0.1:8081;
+    }
+
     server {
         listen       127.0.0.1:8080;
         server_name  localhost;
@@ -87,6 +91,7 @@ like(http_get_headers('/headers'), qr/SE
 	'uwsgi request with many ignored headers');
 
 like(http_get('/var?b=127.0.0.1:8081'), qr/SEE-THIS/, 'uwsgi with variables');
+like(http_get('/var?b=u'), qr/SEE-THIS/, 'uwsgi with variables to upstream');
 
 ###############################################################################