diff --git a/docs/INSTALL-ubuntu.md b/docs/INSTALL-ubuntu.md
index 72cbb240f1c..bfc39ee950f 100644
--- a/docs/INSTALL-ubuntu.md
+++ b/docs/INSTALL-ubuntu.md
@@ -298,6 +298,7 @@ and create an account by logging in normally, then run the commands:
 
     # (in rails console)
     > me = User.find_by_username_or_email('myemailaddress@me.com')[0]
+    > me.activate #use this in case you haven't configured your mail server and therefore can't receive the activation mail.
     > me.admin = true
     > me.save