diff --git a/main.lua b/main.lua
index 64d3b798..ffa12a0a 100644
--- a/main.lua
+++ b/main.lua
@@ -601,6 +601,7 @@ for _,fileName in next,fs.getDirectoryItems('replay') do
 end
 table.sort(REPLAY,function(a,b) return a.fileName>b.fileName end)
 
+AUTHURL="https://studio26f.org/oauth?product=techmino"
 WS.switchHost('cafuuchino1.3322.org','10026','/techmino/ws/v1')
 HTTP.setHost("cafuuchino1.3322.org:10026")
 HTTP.setThreadCount(1)
diff --git a/parts/scenes/login.lua b/parts/scenes/login.lua
index 96f44b97..e4a3f410 100644
--- a/parts/scenes/login.lua
+++ b/parts/scenes/login.lua
@@ -1,7 +1,7 @@
 local scene={}
 
 local function _authorize()
-    love.system.openURL("https://studio26f.org/oauth?product=techmino")
+    love.system.openURL(AUTHURL)
 end
 local function _submit()
     local tickets=scene.widgetList.ticket:getText():upper()