diff --git a/pandas/core/reshape/encoding.py b/pandas/core/reshape/encoding.py
index 24efa34870545..35fed5a24fb30 100644
--- a/pandas/core/reshape/encoding.py
+++ b/pandas/core/reshape/encoding.py
@@ -538,7 +538,11 @@ def from_dummies(
                 raise ValueError(len_msg)
         elif isinstance(default_category, Hashable):
             default_category = dict(
-                zip(variables_slice, [default_category] * len(variables_slice))
+                zip(
+                    variables_slice,
+                    [default_category] * len(variables_slice),
+                    strict=True,
+                )
             )
         else:
             raise TypeError(