diff --git a/deployment/check/data-model/deployment.nix b/deployment/check/data-model/deployment.nix
index 36f9013b..69380519 100644
--- a/deployment/check/data-model/deployment.nix
+++ b/deployment/check/data-model/deployment.nix
@@ -146,6 +146,7 @@ let
           };
         };
         "example-deployment" = mkOption {
+          type = config.environments.single-nixos-vm.resource-mapping.output-type;
           default = config.environments.single-nixos-vm.deployment config."example-configuration";
         };
       };