diff --git a/tests/modelnet-p2p-bw-loggp.conf b/tests/modelnet-p2p-bw-loggp.conf
index 2a987bd021ebc79b7a3e7cdb02f6c38fdf5ae8f5..5f942c4842936ed4511219cfbc3283a653b7bdb2 100644
--- a/tests/modelnet-p2p-bw-loggp.conf
+++ b/tests/modelnet-p2p-bw-loggp.conf
@@ -9,6 +9,7 @@ LPGROUPS
 }
 PARAMS
 {
+   packet_size="2147483648";
    message_size="128";
    modelnet="loggp";
    net_config_file="logp-param-table.conf";