diff --git a/lib/omniauth/strategies/linkedin.rb b/lib/omniauth/strategies/linkedin.rb
index bb28cea..523836d 100755
--- a/lib/omniauth/strategies/linkedin.rb
+++ b/lib/omniauth/strategies/linkedin.rb
@@ -44,6 +44,10 @@ class LinkedIn < OmniAuth::Strategies::OAuth2
         { 'raw_info' => raw_info }
       end
 
+      def callback_url
+        full_host + script_name + callback_path
+      end
+
       alias :oauth2_access_token :access_token
 
       def access_token