diff --git a/openid-connect-provider-debugger/default.conf b/openid-connect-provider-debugger/default.conf
index b8835eb..5f2a5e2 100644
--- a/openid-connect-provider-debugger/default.conf
+++ b/openid-connect-provider-debugger/default.conf
@@ -47,7 +47,7 @@ server {
       local cjson = require('cjson')
       local opts = {}
       if (ngx.var.arg_code) then
-        ngx.log(ngx.DEBUG, 'cookie_session=' .. ngx.var.cookie_session
+        ngx.log(ngx.DEBUG, 'cookie_session=' .. ngx.var.cookie_session)
         ngx.log(ngx.DEBUG, 'opening session')
         local session = require('resty.session').open()
         if (session.present) then