diff --git a/googleapps.coffee b/googleapps.coffee
index 147884c..62c70b6 100644
--- a/googleapps.coffee
+++ b/googleapps.coffee
@@ -35,6 +35,6 @@ module.exports = (domain, options = {}) ->
           return res.end()
 
         else
-          req.session.returnTo = req.url
+          req.session.returnTo = req.url if req.method == 'GET'
           res.writeHead 302, Location: authUrl
           return res.end()
diff --git a/googleapps.js b/googleapps.js
index f422ad5..0d4faa8 100644
--- a/googleapps.js
+++ b/googleapps.js
@@ -47,7 +47,9 @@
             res.writeHead(500, 'google auth error');
             return res.end();
           } else {
-            req.session.returnTo = req.url;
+            if (req.method === 'GET') {
+              req.session.returnTo = req.url;
+            }
             res.writeHead(302, {
               Location: authUrl
             });