diff --git a/simulation/halsim_ds_socket/src/main/native/cpp/DSCommPacket.cpp b/simulation/halsim_ds_socket/src/main/native/cpp/DSCommPacket.cpp
index 93f7af7019..92f1720772 100644
--- a/simulation/halsim_ds_socket/src/main/native/cpp/DSCommPacket.cpp
+++ b/simulation/halsim_ds_socket/src/main/native/cpp/DSCommPacket.cpp
@@ -26,6 +26,7 @@ DSCommPacket::DSCommPacket() {
     i.ResetTcp();
     i.ResetUdp();
   }
+  matchInfo.gameSpecificMessageSize = 0;
 }
 
 /*----------------------------------------------------------------------------