diff --git a/src/rougail/user_data_ansible/__init__.py b/src/rougail/user_data_ansible/__init__.py
index ae545e3..26766b5 100644
--- a/src/rougail/user_data_ansible/__init__.py
+++ b/src/rougail/user_data_ansible/__init__.py
@@ -22,6 +22,7 @@ from ansible.module_utils._text import to_bytes
 
 from rougail import RougailConfig
 from rougail.user_data_file import RougailUserDataFile
+from rougail.error import ExtentionError
 
 from .i18n import _
 
@@ -43,7 +44,7 @@ class RougailUserDataAnsible(RougailUserDataFile):
                 rougailconfig["step.user_data"] = user_data
         user_data = rougailconfig["step.user_data"]
         if "ansible" not in user_data:
-            raise Exception(_("ansible is not set in step.user_data"))
+            raise ExtentionError(_("ansible is not set in step.user_data"))
         self.rougailconfig = rougailconfig
         self.filenames = self.rougailconfig["ansible.filename"]
         self.secret = self.rougailconfig["ansible.secret"]