--- a/src/Common/PDU.msg
+++ b/src/Common/PDU.msg
@@ -80,6 +80,7 @@
     unsigned int pduLen = PDU_HEADER_LEN;
     unsigned int seqNum;
     byteLength = 10;
+    schedulingPriority = -1;
 //    cObject userData; //unsigned char []? string?
 //    unsigned char userData[];
 //    cMessagePtr mUserData;