diff --git a/pillar/api/custom_field_validation.py b/pillar/api/custom_field_validation.py
index dbaa335f..e4d0f9db 100644
--- a/pillar/api/custom_field_validation.py
+++ b/pillar/api/custom_field_validation.py
@@ -102,7 +102,7 @@ class ValidateCustomFields(Validator):
             return False
 
         try:
-            value = self.convert_properties(value, node_type['dyn_schema']['shema'])
+            value = self.convert_properties(value, node_type['dyn_schema'])
         except Exception as e:
             log.warning("Error converting form properties", exc_info=True)