diff --git a/app/helpers/slack.js b/app/helpers/slack.js
index a683da8..ab6bbf4 100644
--- a/app/helpers/slack.js
+++ b/app/helpers/slack.js
@@ -23,7 +23,7 @@ const slackWebhook = new IncomingWebhook(slackUrl);
 
 export default ({ message, pretext, title }) => {
   if (!slackUrl) return;
-  pretext = pretext + environmentMessage;
+  pretext = pretext || "" + environmentMessage;
 
   slackWebhook.send({
     attachments: [{
diff --git a/package.json b/package.json
index 33686e1..e55f6aa 100755
--- a/package.json
+++ b/package.json
@@ -97,5 +97,5 @@
       "app/dist"
     ]
   },
-  "version": "2.0.0"
+  "version": "2.0.1"
 }