diff --git a/pandas/core/arrays/categorical.py b/pandas/core/arrays/categorical.py
index f91782459df67..d540a114749bb 100644
--- a/pandas/core/arrays/categorical.py
+++ b/pandas/core/arrays/categorical.py
@@ -578,7 +578,7 @@ def from_codes(cls, codes, categories, ordered=False):
             unordered.
         """
         try:
-            codes = np.asarray(codes, np.int64)
+            codes = np.asarray(codes)
         except (ValueError, TypeError):
             raise ValueError(
                 "codes need to be convertible to an arrays of integers")