| Index: mojo/public/python/mojo/bindings/descriptor.py
 | 
| diff --git a/mojo/public/python/mojo/bindings/descriptor.py b/mojo/public/python/mojo/bindings/descriptor.py
 | 
| index f566d4757dafd0acc6ada7d606003b026eee3644..f190d2befcfd7f6108db3a2e867c4a74bf84b28f 100644
 | 
| --- a/mojo/public/python/mojo/bindings/descriptor.py
 | 
| +++ b/mojo/public/python/mojo/bindings/descriptor.py
 | 
| @@ -41,7 +41,7 @@ class SerializableType(Type):
 | 
|    def __init__(self, typecode):
 | 
|      Type.__init__(self)
 | 
|      self.typecode = typecode
 | 
| -    self.byte_size = struct.calcsize('=%s' % self.GetTypeCode())
 | 
| +    self.byte_size = struct.calcsize('<%s' % self.GetTypeCode())
 | 
|  
 | 
|    def GetTypeCode(self):
 | 
|      """
 | 
| 
 |