diff --git a/app/labor/assign_tag_moderator.rb b/app/labor/assign_tag_moderator.rb
index df2076250..294188816 100644
--- a/app/labor/assign_tag_moderator.rb
+++ b/app/labor/assign_tag_moderator.rb
@@ -4,7 +4,9 @@ module AssignTagModerator
       user = User.find(user_id)
       tag = Tag.find_by(name: tag_names[index])
       user.add_role(:tag_moderator, tag)
-      ChatChannel.find_by(slug: "tag-moderators").add_users(user)
+      if user.chat_channels.find_by(slug: "tag-moderators").blank?
+        ChatChannel.find_by(slug: "tag-moderators").add_users(user)
+      end
       NotifyMailer.tag_moderator_confirmation_email(user, tag.name).deliver unless tag.name == "go"
     end
   end
diff --git a/environment b/environment
new file mode 100644
index 000000000..e69de29bb