--- a/fastcgi.t
+++ b/fastcgi.t
@@ -25,7 +25,7 @@ eval { require FCGI; };
 plan(skip_all => 'FCGI not installed') if $@;
 plan(skip_all => 'win32') if $^O eq 'MSWin32';
 
-my $t = Test::Nginx->new()->has(qw/http fastcgi/)->plan(6)
+my $t = Test::Nginx->new()->has(qw/http fastcgi/)->plan(7)
 	->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%
@@ -38,6 +38,10 @@ events {
 http {
     %%TEST_GLOBALS_HTTP%%
 
+    upstream u {
+        server 127.0.0.1:8081;
+    }
+
     server {
         listen       127.0.0.1:8080;
         server_name  localhost;
@@ -70,6 +74,7 @@ unlike(http_head('/'), qr/SEE-THIS/, 'no
 like(http_get('/stderr'), qr/SEE-THIS/, 'large stderr handled');
 
 like(http_get('/var?b=127.0.0.1:8081'), qr/SEE-THIS/, 'fastcgi with variables');
+like(http_get('/var?b=u'), qr/SEE-THIS/, 'fastcgi with variables to upstream');
 
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