diff --git a/modules/autoupdate.nix b/modules/autoupdate.nix
index 320c4d09..b73b8ab5 100644
--- a/modules/autoupdate.nix
+++ b/modules/autoupdate.nix
@@ -64,7 +64,7 @@
     };
 
     # Always show a diff when activating a new system
-    system.activationScripts.diff-system = {
+    system.activationScripts.diff-system = lib.mkIf (!config.microvm.hypervisor ? false) {
       supportsDryActivation = true;
       text = ''
         if [ -e /run/current-system ] && [ -e $systemConfig ]; then