diff --git a/deployment/check/common/targetNode.nix b/deployment/check/common/targetNode.nix
index e6daaad1..01a971d3 100644
--- a/deployment/check/common/targetNode.nix
+++ b/deployment/check/common/targetNode.nix
@@ -44,7 +44,7 @@ in
       networking.firewall.allowedTCPPorts = [ 22 ];
 
       # Test VMs don't have a bootloader by default.
-      # boot.loader.grub.enable = false;
+      boot.loader.grub.enable = lib.mkDefault false;
     }
 
     (mkIf config.enableAcme {