diff --git a/testmods_dirs/allactive/maxthroughputb/shell_commands b/testmods_dirs/allactive/maxthroughputb/shell_commands
index fa9fd13..9381a2e 100644
--- a/testmods_dirs/allactive/maxthroughputb/shell_commands
+++ b/testmods_dirs/allactive/maxthroughputb/shell_commands
@@ -15,7 +15,7 @@ ROOTPE_CPL=$NTASKS_LND
 COST_PES=$(($NTHRDS*($NTASKS_ATM + $NTASKS_OCN)))
 ROOTPE_OCN=$(($NTASKS_ATM))
 
-./xmlchange PES_PER_NODE=16
+./xmlchange MAX_MPITASKS_PER_NODE=16
 ./xmlchange MAX_TASKS_PER_NODE=16
 ./xmlchange NTASKS_ATM=$NTASKS_ATM
 ./xmlchange NTASKS_CPL=$NTASKS_CPL