diff --git a/README.rst b/README.rst
index 56bcb506..35c64041 100644
--- a/README.rst
+++ b/README.rst
@@ -170,7 +170,7 @@ Visibility Types
 In addition to special types, you can optionally specify visibility for each
 field. This affects whether or not they are displayed in the Metabase UI.
 
-Here is how you would make that same email column hidden:
+Here is how you would hide that same email:
 
 .. code-block:: yaml
 
@@ -179,15 +179,15 @@ Here is how you would make that same email column hidden:
       tests:
         - metabase.field:
             special_type: type/Email
-            visibility_type: hidden
+            visibility_type: sensitive
 
 Here are the visibility types supported by Metabase:
 
 * ``normal`` (default)
 * ``details-only``
-* ``hidden``
-* ``retired``
 * ``sensitive``
+* ``hidden`` (supported but not reflected in the UI)
+* ``retired`` (supported but not reflected in the UI)
 
 If you notice new ones, please submit a PR to update this readme and
 ``macros/tests.sql``.
diff --git a/dbtmetabase/__init__.py b/dbtmetabase/__init__.py
index ac99269f..7352005a 100644
--- a/dbtmetabase/__init__.py
+++ b/dbtmetabase/__init__.py
@@ -3,7 +3,7 @@
 from .dbt import DbtReader
 from .metabase import MetabaseClient
 
-__version__ = '0.2.0'
+__version__ = '0.2.1'
 
 def export(dbt_path: str, 
         mb_host: str, mb_user: str, mb_password: str,
diff --git a/dbtmetabase/metabase.py b/dbtmetabase/metabase.py
index f912a499..608370f5 100644
--- a/dbtmetabase/metabase.py
+++ b/dbtmetabase/metabase.py
@@ -182,15 +182,20 @@ def export_column(self, model_name: str, column: dict, field_lookup: dict):
             self.api('put', f'/api/field/{fk_target_field_id}', json={
                 'special_type': 'type/PK'
             })
+        
+        # Nones are not accepted, default to normal
+        if not column.get('visibility_type'):
+            column['visibility_type'] = 'normal'
 
         api_field = self.api('get', f'/api/field/{field_id}')
 
         if api_field['description'] != column.get('description') or \
                 api_field['special_type'] != column.get('special_type') or \
+                api_field['visibility_type'] != column.get('visibility_type') or \
                 api_field['fk_target_field_id'] != fk_target_field_id:
-            api_field['description'] = self.sanitize_macro_field(column.get('description'))
-            api_field['special_type'] = self.sanitize_macro_field(column.get('special_type'))
-            api_field['visibility_type'] = self.sanitize_macro_field(column.get('visibility_type'))
+            api_field['description'] = column.get('description')
+            api_field['special_type'] = column.get('special_type')
+            api_field['visibility_type'] = column.get('visibility_type')
             api_field['fk_target_field_id'] = fk_target_field_id
 
             self.api('put', f'/api/field/{field_id}', json=api_field)
@@ -294,18 +299,3 @@ def api(self, method: str, path: str, authenticated = True, critical = True, **k
         elif not response.ok:
             return False
         return json.loads(response.text)
-
-    @staticmethod
-    def sanitize_macro_field(value: str) -> Any:
-        """Sanitizes macro field values for possible empty strings.
-        
-        Arguments:
-            value {str} -- String, could be empty or none.
-        
-        Returns:
-            Any -- Either none or non-empty string.
-        """
-
-        if not value:
-            return None
-        return value