diff --git a/dynamicserialize/dstypes/com/raytheon/uf/common/message/WsId.py b/dynamicserialize/dstypes/com/raytheon/uf/common/message/WsId.py
index a177e5f..898130a 100644
--- a/dynamicserialize/dstypes/com/raytheon/uf/common/message/WsId.py
+++ b/dynamicserialize/dstypes/com/raytheon/uf/common/message/WsId.py
@@ -61,7 +61,7 @@ class WsId(object):
 
         self.pid = os.getpid()
 
-        self.threadId = int(_thread.get_ident())
+        self.threadId = long(_thread.get_ident())
 
     def getNetworkId(self):
         return self.networkId