diff --git a/deployment/data-model.nix b/deployment/data-model.nix
index 0bec8ad4..15401477 100644
--- a/deployment/data-model.nix
+++ b/deployment/data-model.nix
@@ -108,7 +108,8 @@ in
               type = functionType;
               readOnly = true;
               default = {
-                input-type = submodule application.config.module;
+                # input-type = submodule application.config.module;
+                input-type = types.int;
                 output-type = application-resources;
               };
             };
@@ -144,7 +145,8 @@ in
               type = functionType;
               # readOnly = true;
               default = {
-                input-type = application-resources;
+                # input-type = application-resources;
+                input-type = types.int;
                 output-type = nixops4Deployment;
               };
             };