diff --git a/README.md b/README.md
index 92831f3..f802e12 100644
--- a/README.md
+++ b/README.md
@@ -163,6 +163,10 @@ or
  * [GitHub Actions](https://docs.github.com/en/actions) (see [.github/workflows](https://github.com/powderflask/django-fmft/tree/master/.github/workflows))
  * [GitHub Webhooks](https://docs.github.com/en/webhooks)  (see [settings/hooks](https://github.com/powderflask/django-fmft/settings/hooks))
 
+### Known Issues
+ * hidden form fields are rendered in first form field column - can't have dynamically hidden fields,
+   hidden on some rows while visible in others, without a little magic.
+
 ### TODO
 My wish list...
  * write test for case where form field is not included in table
diff --git a/fmft/formset_tables.py b/fmft/formset_tables.py
index 2cd8a04..6c49efd 100644
--- a/fmft/formset_tables.py
+++ b/fmft/formset_tables.py
@@ -413,7 +413,7 @@ def from_column(
         """
         config = dict(
             verbose_name=other.verbose_name,
-            accessor=str(other.accessor),
+            accessor=str(other.accessor) if other.accessor else None,
             default=other._default,  # HACK - access to table protected member
             visible=other.visible,
             orderable=other.orderable,