diff --git a/lib/build-clan/tests.nix b/lib/build-clan/tests.nix
index eb0250051..5bfe6aab5 100644
--- a/lib/build-clan/tests.nix
+++ b/lib/build-clan/tests.nix
@@ -111,7 +111,10 @@ in
     in
     {
       expr = builtins.attrNames result.nixosConfigurations;
-      expected = [ "test-inventory-machine" ];
+      expected = [
+        "test-backup"
+        "test-inventory-machine"
+      ];
     };
 
   test_buildClan_all_machines =