diff --git a/pillar/api/custom_field_validation.py b/pillar/api/custom_field_validation.py
index bdd35ff2..960686e6 100644
--- a/pillar/api/custom_field_validation.py
+++ b/pillar/api/custom_field_validation.py
@@ -144,7 +144,7 @@ class ValidateCustomFields(Validator):
         if not value:
             self._error(field, "Value is required once the document was created")
 
-    def _validator_iprange(self, field_name: str, value: str):
+    def _check_with_iprange(self, field_name: str, value: str):
         """Ensure the field contains a valid IP address.
 
         Supports both IPv6 and IPv4 ranges. Requires the IPy module.
@@ -181,12 +181,12 @@ if __name__ == '__main__':
 
     v = ValidateCustomFields()
     v.schema = {
-        'foo': {'type': 'string', 'validator': 'markdown'},
+        'foo': {'type': 'string', 'check_with': 'markdown'},
         'foo_html': {'type': 'string'},
         'nested': {
             'type': 'dict',
             'schema': {
-                'bar': {'type': 'string', 'validator': 'markdown'},
+                'bar': {'type': 'string', 'check_with': 'markdown'},
                 'bar_html': {'type': 'string'},
             }
         }
diff --git a/pillar/api/eve_settings.py b/pillar/api/eve_settings.py
index c84d71cd..6bf9c242 100644
--- a/pillar/api/eve_settings.py
+++ b/pillar/api/eve_settings.py
@@ -256,7 +256,7 @@ organizations_schema = {
                 'start': {'type': 'binary', 'required': True},
                 'end': {'type': 'binary', 'required': True},
                 'prefix': {'type': 'integer', 'required': True},
-                'human': {'type': 'string', 'required': True, 'validator': 'iprange'},
+                'human': {'type': 'string', 'required': True, 'check_with': 'iprange'},
             }
         },
     },
diff --git a/pillar/cli/maintenance.py b/pillar/cli/maintenance.py
index 30880d35..5f15f9fd 100644
--- a/pillar/cli/maintenance.py
+++ b/pillar/cli/maintenance.py
@@ -727,7 +727,7 @@ def iter_markdown(proj_node_types: dict, some_node: dict, callback: typing.Calla
                 to_visit.append((subdoc, definition['schema']))
                 continue
             coerce = definition.get('coerce')  # Eve < 0.8
-            validator = definition.get('validator')  # Eve >= 0.8
+            validator = definition.get('check_with') or definition.get('validator')  # Eve >= 0.8
             if coerce != 'markdown' and validator != 'markdown':
                 continue
 
diff --git a/tests/test_api/test_cerberus.py b/tests/test_api/test_cerberus.py
index 3858ea8c..7424d66c 100644
--- a/tests/test_api/test_cerberus.py
+++ b/tests/test_api/test_cerberus.py
@@ -185,7 +185,7 @@ class AbstractSchemaValidationTest(AbstractValidationTest):
 
 
 class IPRangeValidatorTest(AbstractSchemaValidationTest):
-    schema = {'iprange': {'type': 'string', 'required': True, 'validator': 'iprange'}}
+    schema = {'iprange': {'type': 'string', 'required': True, 'check_with': 'iprange'}}
 
     def test_ipv6(self):
         self.assertValid({'iprange': '2a03:b0c0:0:1010::8fe:6ef1'})