diff --git a/plugins/c9.error/error_handler.js b/plugins/c9.error/error_handler.js
index 4e3fe2af..323a89cb 100644
--- a/plugins/c9.error/error_handler.js
+++ b/plugins/c9.error/error_handler.js
@@ -115,7 +115,7 @@ function plugin(options, imports, register) {
         var accept = req.headers.accept || '';
 
         if (statusCode == 500) {
-            console.error(err && err.stack);
+            console.error(err && (err.stack || err));
             emitter.emit("internalServerError", {
                 err: err,
                 req: req