diff --git a/tests/conf/modelnet-p2p-bw-loggp.conf b/tests/conf/modelnet-p2p-bw-loggp.conf
index 138cf38e4ed87cf45ad05cb72f593e97ca423298..f1425fb5b4457fcd9f9cb8f2c640676cc6126e8b 100644
--- a/tests/conf/modelnet-p2p-bw-loggp.conf
+++ b/tests/conf/modelnet-p2p-bw-loggp.conf
@@ -10,7 +10,7 @@ LPGROUPS
 PARAMS
 {
    packet_size="2147483648";
-   message_size="248";
+   message_size="272";
    modelnet_order=( "loggp" );
    # scheduler options
    modelnet_scheduler="fcfs";
diff --git a/tests/conf/modelnet-prio-sched-test.conf b/tests/conf/modelnet-prio-sched-test.conf
index 0b30ba2008e1fd485a852b64106578bfb3b63b86..5ef76730cb83fcc3c879068c7993882062ce6af1 100644
--- a/tests/conf/modelnet-prio-sched-test.conf
+++ b/tests/conf/modelnet-prio-sched-test.conf
@@ -10,7 +10,7 @@ LPGROUPS
 PARAMS
 {
    packet_size="512";
-   message_size="256";
+   message_size="272";
    modelnet_order=( "simplenet" );
    # scheduler options
    modelnet_scheduler="priority";
diff --git a/tests/conf/modelnet-test-dragonfly.conf b/tests/conf/modelnet-test-dragonfly.conf
index 741e6e29c91591570a2ef29585f66ce27d2b808f..5189d91daeff3d92468af002700345b055041d0f 100644
--- a/tests/conf/modelnet-test-dragonfly.conf
+++ b/tests/conf/modelnet-test-dragonfly.conf
@@ -24,6 +24,6 @@ PARAMS
    local_bandwidth="5.25";
    global_bandwidth="4.7";
    cn_bandwidth="5.25";
-   message_size="280";
+   message_size="296";
    routing="adaptive";
 }
diff --git a/tests/conf/modelnet-test-loggp.conf b/tests/conf/modelnet-test-loggp.conf
index 3a05c765aa376087f220df1bbbc87f92d76acf26..14a8eb02cc31d85a351625f17ff0093667b4e8b4 100644
--- a/tests/conf/modelnet-test-loggp.conf
+++ b/tests/conf/modelnet-test-loggp.conf
@@ -9,7 +9,7 @@ LPGROUPS
 }
 PARAMS
 {
-   message_size="272";
+   message_size="296";
    modelnet_order=( "loggp" );
    # scheduler options
    modelnet_scheduler="fcfs-full";
diff --git a/tests/conf/modelnet-test.conf b/tests/conf/modelnet-test.conf
index e36d703f537bf261f4fe94ab47c4907652c595b2..5edc7573651959f6b20018036ce50406589eb097 100644
--- a/tests/conf/modelnet-test.conf
+++ b/tests/conf/modelnet-test.conf
@@ -10,7 +10,7 @@ LPGROUPS
 PARAMS
 {
    packet_size="512";
-   message_size="272";
+   message_size="296";
    modelnet_order=( "simplenet" );
    # scheduler options
    modelnet_scheduler="fcfs";