diff --git a/apis/python/devtools/ingestor b/apis/python/devtools/ingestor
index 8da4b63560..26ab40b8ee 100755
--- a/apis/python/devtools/ingestor
+++ b/apis/python/devtools/ingestor
@@ -16,6 +16,7 @@ import os
 import sys
 from typing import Optional
 
+import tiledb
 from somacore import options
 
 import tiledbsoma
@@ -25,7 +26,6 @@ import tiledbsoma._util
 import tiledbsoma.io
 import tiledbsoma.logging
 from tiledbsoma.options import SOMATileDBContext
-import tiledb
 
 
 # ================================================================
diff --git a/apis/python/src/tiledbsoma/_dataframe.py b/apis/python/src/tiledbsoma/_dataframe.py
index 9d6b784c77..509c84d4c9 100644
--- a/apis/python/src/tiledbsoma/_dataframe.py
+++ b/apis/python/src/tiledbsoma/_dataframe.py
@@ -276,7 +276,7 @@ def create(
             extents,
             context.native_context,
             plt_cfg,
-            (0, timestamp_ms)
+            (0, timestamp_ms),
         )
 
         handle = cls._wrapper_type.open(uri, "w", context, tiledb_timestamp)
@@ -469,15 +469,23 @@ def write(
                 if not pa.types.is_dictionary(input_field.type):
                     raise ValueError(f"{name} requires dictionary entry")
                 col = values.column(name).combine_chunks()
+                if pa.types.is_boolean(target_field.type.value_type):
+                    col = col.cast(
+                        pa.dictionary(
+                            target_field.type.index_type,
+                            pa.uint8(),
+                            target_field.type.ordered,
+                        )
+                    )
                 new_enmr = self._handle._handle.extend_enumeration(name, col)
-                
+
                 if pa.types.is_binary(
                     target_field.type.value_type
                 ) or pa.types.is_large_binary(target_field.type.value_type):
                     new_enmr = np.array(new_enmr, "S")
                 elif pa.types.is_boolean(target_field.type.value_type):
                     new_enmr = np.array(new_enmr, bool)
-                    
+
                 df = pd.Categorical(
                     col.to_pandas(),
                     ordered=target_field.type.ordered,
diff --git a/apis/python/tests/test_collection.py b/apis/python/tests/test_collection.py
index 75c792aa9e..47f5f5a030 100644
--- a/apis/python/tests/test_collection.py
+++ b/apis/python/tests/test_collection.py
@@ -519,4 +519,4 @@ def test_context_timestamp(tmp_path: pathlib.Path):
         assert coll.tiledb_timestamp_ms == 234
         sub_1 = coll["sub_1"]
         assert sub_1.tiledb_timestamp_ms == 234
-        assert sub_1["sub_sub"].tiledb_timestamp_ms == 234
\ No newline at end of file
+        assert sub_1["sub_sub"].tiledb_timestamp_ms == 234