diff --git a/templates/cloud-init.yml.tpl b/templates/cloud-init.yml.tpl
index 75f00fd7d9676e42f826d506ed2ba3812d8ac1b4..38e4cbe55af3060439764ef66800c0fb97175d78 100644
--- a/templates/cloud-init.yml.tpl
+++ b/templates/cloud-init.yml.tpl
@@ -51,7 +51,7 @@ write_files:
         -no-interactive \
         -sshd-config \
         -url https://fluidware.authkeys.io \
-        -token ${theo_token}
+        -token ${theo_token} \
         -hostname-prefix fcub-
       chown -R theo-agent /etc/theo-agent
       chmod 700 /etc/theo-agent