diff --git a/src/risotto/rougail/annotator.py b/src/risotto/rougail/annotator.py
index cfb18e7..8535ab6 100644
--- a/src/risotto/rougail/annotator.py
+++ b/src/risotto/rougail/annotator.py
@@ -39,7 +39,10 @@ class Annotator(Walk):
 
                     # construct self.globals, self.suppliers and self.providers dictionnaries
                     provider_prefix, provider_suffix = self._cut_out_provider_name(provider_name)
-                    dns = self.objectspace.space.variables[variable.path_prefix].doc
+                    if variable.path_prefix:
+                        dns = self.objectspace.space.variables[variable.path_prefix].doc
+                    else:
+                        dns = "example.net"
                     if provider_prefix == 'global':
                         if type_ == 'supplier':
                             raise DictConsistencyError(f'{type_} {provider_name} in {dns} not allowed', 0, variable.xmlfiles)
@@ -78,7 +81,10 @@ class Annotator(Walk):
                     # it's a reverse provider!
                     continue
                 if provider_prefix != 'Host':
-                    provider_zone = self.objectspace.rougailconfig['risotto_globals'][provider_dns]['global:provider_zone']
+                    if 'risotto_globals' in self.objectspace.rougailconfig:
+                        provider_zone = self.objectspace.rougailconfig['risotto_globals'][provider_dns]['global:provider_zone']
+                    else:
+                        provider_zone = ['zone1']
                 if provider_prefix not in self.suppliers:
                     continue
                 for supplier_dns, suppliers_suffix in self.suppliers[provider_prefix].items():
@@ -226,9 +232,13 @@ class Annotator(Walk):
         """Convert providers global informations to default values or fills
         """
         provider_prefix = 'global'
+        if not provider_prefix in self.globals:
+            return
         for provider_dns, providers_suffix in self.globals[provider_prefix].items():
             for provider_suffix, variable in providers_suffix.items():
                 provider_name = f'{provider_prefix}:{provider_suffix}'
+                if 'risotto_globals' not in self.objectspace.rougailconfig:
+                    continue
                 if provider_name not in self.objectspace.rougailconfig['risotto_globals'][provider_dns]:
                     raise DictConsistencyError(f'cannot find {provider_name} for variable {variable.path}, should be in {list(self.objectspace.rougailconfig["risotto_globals"][provider_dns])}', 0, variable.xmlfiles)
                 provider_values = self.objectspace.rougailconfig['risotto_globals'][provider_dns][provider_name]