diff --git a/src/risotto/rougail/annotator.py b/src/risotto/rougail/annotator.py
index 6534f03..cfb18e7 100644
--- a/src/risotto/rougail/annotator.py
+++ b/src/risotto/rougail/annotator.py
@@ -79,6 +79,8 @@ class Annotator(Walk):
                     continue
                 if provider_prefix != 'Host':
                     provider_zone = self.objectspace.rougailconfig['risotto_globals'][provider_dns]['global:provider_zone']
+                if provider_prefix not in self.suppliers:
+                    continue
                 for supplier_dns, suppliers_suffix in self.suppliers[provider_prefix].items():
                     if provider_dns == supplier_dns:
                         continue