diff --git a/.gitignore b/.gitignore
index 95b863a..15c0ef7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 config.json
 node_modules
+.history
+.env
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index a236081..6231ba0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz",
       "integrity": "sha1-hiRnWMfdbSGmR0/whKR0DsBesh8=",
       "requires": {
-        "mime-types": "2.1.17",
+        "mime-types": "~2.1.16",
         "negotiator": "0.6.1"
       }
     },
diff --git a/routes/invite.js b/routes/invite.js
index 9013fd4..e226336 100644
--- a/routes/invite.js
+++ b/routes/invite.js
@@ -24,6 +24,10 @@ module.exports = function (app) {
       res.status(400).send('already_invited');
     }
 
+    function alreadyInTeam() {
+      res.status(400).send("already_in_team");
+    }
+
     slack
       .createInvite(req.body.email)
       .then(function() {
@@ -45,7 +49,9 @@ module.exports = function (app) {
         if(err === 'already_invited') {
           return alreadyInvited(req.body.email);
         }
-
+        if (err === "already_in_team") {
+          return alreadyInTeam();
+        }
         var message = 'Creating automatic invitation failed for: ' + req.body.email + ' reason: ' + err;
         slack.createMessage(message);