diff --git a/src/rougail/template/engine/creole.py b/src/rougail/template/engine/creole.py
index fac4fa70..61171a1b 100644
--- a/src/rougail/template/engine/creole.py
+++ b/src/rougail/template/engine/creole.py
@@ -38,12 +38,12 @@ from ...error import TemplateError
 def cl_compile(kls, *args, **kwargs):
     """Rewrite compile methode to force some settings
     """
-    kwargs['compilerSettings'] = {'directiveStartToken' : '%',
-                                  'cheetahVarStartToken' : '%%',
-                                  'EOLSlurpToken' : '%',
-                                  'commentStartToken' : '#',
-                                  'multiLineCommentStartToken' : '#*',
-                                  'multiLineCommentEndToken' : '*#',
+    kwargs['compilerSettings'] = {'directiveStartToken': '%',
+                                  'cheetahVarStartToken': '%%',
+                                  'EOLSlurpToken': '%',
+                                  'commentStartToken': '#',
+                                  'multiLineCommentStartToken': '#*',
+                                  'multiLineCommentEndToken': '*#',
                                   }
     return kls.old_compile(*args, **kwargs)  # pylint: disable=E1101
 Template.old_compile = Template.compile
diff --git a/src/rougail/template/engine/creole_legacy.py b/src/rougail/template/engine/creole_legacy.py
index 6afd3066..fa042959 100644
--- a/src/rougail/template/engine/creole_legacy.py
+++ b/src/rougail/template/engine/creole_legacy.py
@@ -49,7 +49,6 @@ def cl_compile(kls, *args, **kwargs):
                    'multiLineCommentStartToken' : u'µ' * 10,
                    'multiLineCommentEndToken' : u'µ' * 10}
     return kls.old_compile(*args, **kwargs)  # pylint: disable=E1101
-oriCheetahTemplate.compile = cl_compile
 
 
 class IsDefined:
@@ -126,6 +125,8 @@ def process(filename: str,
     """Process a cheetah template
     """
     # full path of the destination file
+    ori_compile = oriCheetahTemplate.compile
+    oriCheetahTemplate.compile = cl_compile
     try:
         extra_context = {'normalize_family': normalize_family,
                          'rougail_filename': true_destfilename,
@@ -148,13 +149,16 @@ def process(filename: str,
             msg = f"Error: unknown variable used in template {filename} to {destfilename}: {varname}"
         else:
             msg = f"Error: unknown variable used in file {destfilename}: {varname}"
+        oriCheetahTemplate.compile = ori_compile
         raise TemplateError(_(msg)) from err
     except Exception as err:  # pragma: no cover
         if filename:
             msg = _(f"Error while instantiating template {filename} to {destfilename}: {err}")
         else:
             msg = _(f"Error while instantiating filename {destfilename}: {err}")
+        oriCheetahTemplate.compile = ori_compile
         raise TemplateError(msg) from err
 
     with open(destfilename, 'w') as file_h:
         file_h.write(data)
+    oriCheetahTemplate.compile = ori_compile
diff --git a/tests/dictionaries/40ifin_leadershipauto/result/etc/mailname b/tests/dictionaries/40ifin_leadershipauto/result/etc/mailname
index 6da0a4c2..614ffd2d 100644
--- a/tests/dictionaries/40ifin_leadershipauto/result/etc/mailname
+++ b/tests/dictionaries/40ifin_leadershipauto/result/etc/mailname
@@ -1,6 +1,4 @@
-#attr
 leader: a
 follower2: 
-#key
 leader: a
 follower2: