diff --git a/python_terraform/terraform.py b/python_terraform/terraform.py
index 7d62720..b136394 100644
--- a/python_terraform/terraform.py
+++ b/python_terraform/terraform.py
@@ -52,7 +52,7 @@ class Terraform:
         var_file: Optional[str] = None,
         terraform_bin_path: Optional[str] = None,
         is_env_vars_included: bool = True,
-        terraform_version: Optional[float] = 1.0
+        terraform_version: Optional[float] = 0.13
     ):
         """
         :param working_dir: the folder of the working folder, if not given,
diff --git a/test/test_terraform.py b/test/test_terraform.py
index f4ae480..c2052a9 100644
--- a/test/test_terraform.py
+++ b/test/test_terraform.py
@@ -17,7 +17,7 @@ root_logger = logging.getLogger()
 
 current_path = os.path.dirname(os.path.realpath(__file__))
 
-version = 0.13 if (os.environ.get("TFVER") and os.environ.get("TFVER").startswith("0")) else 1.0
+version = 1.0 if (os.environ.get("TFVER") and os.environ.get("TFVER").startswith("1")) else 0.13
 
 FILE_PATH_WITH_SPACE_AND_SPACIAL_CHARS = "test 'test.out!"
 STRING_CASES = [