diff --git a/lib/tauth/controller_methods.rb b/lib/tauth/controller_methods.rb
index 426c80e..9c9c170 100644
--- a/lib/tauth/controller_methods.rb
+++ b/lib/tauth/controller_methods.rb
@@ -44,6 +44,7 @@ def authenticate!
 
     def refresh_current_user
       return if (last_fetch = cookies.signed[:tauth_last_fetch] and last_fetch > Tauth.config.expires_in.ago)
+      return if request.request_method.upcase != "GET"
 
       refresh_current_user!
     end