diff --git a/Makefile b/Makefile
index 25cb25c..c938edc 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ all: guix-installer-vm.img
 id_ed25519.pub:
 	printf "ssh-ed25519 %s %s" \
 	'AAAAC3NzaC1lZDI1NTE5AAAAIH2feuEj4asx0ImCG+cuiPv2WdKF6vMI+cJtZyG9cwUQ' \
-	'gnutoo@primary_laptop'
+	'gnutoo@primary_laptop' \
 	> $@
 
 # Generate default key. Can be changed by replacing signing-key.pub.