diff -ruN xpyb-1.3.1_ORIG/src/py_client.py xpyb-1.3.1/src/py_client.py
--- xpyb-1.3.1_ORIG/src/py_client.py	2013-11-17 12:57:05.157530931 +0100
+++ xpyb-1.3.1/src/py_client.py	2013-11-17 12:57:52.221530100 +0100
@@ -19,6 +19,7 @@
                    'INT8':   'b', 'int8_t':  'b',
                    'INT16':  'h', 'int16_t': 'h',
                    'INT32':  'i', 'int32_t': 'i',
+                   'INT64':  'i', 'int64_t': 'i',
                    'BYTE': 'B',
                    'BOOL': 'B',
                    'char': 'b',