@@ -8,6 +8,7 @@
 """
 import os
 import copy
+import sys
 
 import numpy as np
 
@@ -28,7 +29,7 @@
 DTYPES = ['bool', 'int8', 'int16', 'int32', 'int64', 'uint8', 'uint16', 'uint32',
           'uint64', 'float16', 'float32', 'float64', 'float128',
           'str']
-if os.name == 'nt':
+if os.name == 'nt' or sys.maxsize <= 2**32:
     DTYPES.remove('float128')
 
 T_DTYPES = Table()