diff --git a/server/gitea/client_test.go b/server/gitea/client_test.go
index af668b4..83be60c 100644
--- a/server/gitea/client_test.go
+++ b/server/gitea/client_test.go
@@ -18,4 +18,6 @@ func TestJoinURL(t *testing.T) {
 	baseURL, _ = url.Parse("http://wow.url.com/subpath/2/")
 	assert.EqualValues(t, "http://wow.url.com/subpath/2/content.pdf", joinURL(baseURL, "/content.pdf"))
 	assert.EqualValues(t, "http://wow.url.com/subpath/2/wonderful.jpg", joinURL(baseURL, "wonderful.jpg"))
+	assert.EqualValues(t, "http://wow.url.com/subpath/2/wonderful.jpg?ref=main", joinURL(baseURL, "raw", "wonderful.jpg"+"?ref="+url.QueryEscape("main")))
+	assert.EqualValues(t, "http://wow.url.com/subpath/2/wonderful.jpg%3Fref=main", joinURL(baseURL, "raw", "wonderful.jpg%3Fref=main"))
 }