diff --git a/build.py b/build.py
index 4b016ef..4e8c061 100644
--- a/build.py
+++ b/build.py
@@ -28,7 +28,7 @@ use_plugin("python.distutils")
 default_task = "publish"
 
 name = "ddadevops"
-version = "4.0.0-dev68"
+version = "4.0.0-dev70"
 summary = "tools to support builds combining gopass, terraform, dda-pallet, aws & hetzner-cloud"
 description = __doc__
 authors = [Author("meissa GmbH", "buero@meissa-gmbh.de")]
diff --git a/src/main/python/ddadevops/domain/terraform.py b/src/main/python/ddadevops/domain/terraform.py
index a2c2699..dc38530 100644
--- a/src/main/python/ddadevops/domain/terraform.py
+++ b/src/main/python/ddadevops/domain/terraform.py
@@ -14,14 +14,14 @@ class TerraformDomain(Validateable):
     def __init__(self, inp: dict):
         self.module = inp.get("module")
         self.stage = inp.get("stage")
-        self.tf_additional_vars = inp.get("tf_additional_vars")
+        self.tf_additional_vars = inp.get("tf_additional_vars", {})
         self.tf_output_json_name = inp.get("tf_output_json_name")
         self.tf_build_commons_path = inp.get("tf_build_commons_path")
         self.tf_provider_types = inp.get("tf_provider_types", [])
         self.tf_additional_resources_from_package = inp.get(
             "tf_additional_resources_from_package", set()
         )
-        self.tf_additional_tfvar_files = inp.get("tf_additional_tfvar_files", {})
+        self.tf_additional_tfvar_files = inp.get("tf_additional_tfvar_files", [])
         self.tf_use_workspace = inp.get("tf_use_workspace", True)
         self.tf_debug_print_terraform_command = inp.get(
             "tf_debug_print_terraform_command", False