diff --git a/deployment/check/common/nixosTest.nix b/deployment/check/common/nixosTest.nix
index d49ef54f..5dcc81c9 100644
--- a/deployment/check/common/nixosTest.nix
+++ b/deployment/check/common/nixosTest.nix
@@ -86,7 +86,7 @@ in
             _module.args = { inherit inputs sources; };
             enableAcme = config.enableAcme;
           }
-          (lib.mkIf config.enableAcme {
+          (lib.mkIf config.enableAcme rec {
             acmeNodeIP = config.nodes.acme.networking.primaryIPAddress;
             security.acme = {
               acceptTerms = true;
@@ -96,7 +96,7 @@ in
             security.pki.certificateFiles = [
               (import "${inputs.nixpkgs}/nixos/tests/common/acme/server/snakeoil-certs.nix").ca.cert
             ];
-            networking.extraHosts = "${config.acmeNodeIP} acme.test";
+            networking.extraHosts = "${acmeNodeIP} acme.test";
           })
         ];
       }