diff --git a/python/cudf/cudf/core/frame.py b/python/cudf/cudf/core/frame.py
index e6898b8c606..ecff3dee573 100644
--- a/python/cudf/cudf/core/frame.py
+++ b/python/cudf/cudf/core/frame.py
@@ -2408,7 +2408,9 @@ def _copy_type_metadata(
         for name, col, other_col in zip(
             self._data.keys(), self._data.values(), other._data.values()
         ):
-            self._data[name] = other_col._copy_type_metadata(col)
+            self._data.set_by_label(
+                name, other_col._copy_type_metadata(col), validate=False
+            )
 
         if include_index:
             if self._index is not None and other._index is not None: