diff --git a/plugins/c9.error/raygun.connect.js b/plugins/c9.error/raygun.connect.js
index d2793f39..37848ec3 100644
--- a/plugins/c9.error/raygun.connect.js
+++ b/plugins/c9.error/raygun.connect.js
@@ -71,6 +71,11 @@ function plugin(options, imports, register) {
                 email: req.user.email
             };
         }
+        else if (req.session) {
+            customData.user = {
+                id: req.session.uid
+            };
+        }
 
         raygunClient.send(err, customData, function() {}, {
             host: parsedUrl.hostname,