diff --git a/src/psij/launchers/scripts/mpi_launch.sh b/src/psij/launchers/scripts/mpi_launch.sh
index 7a76d108..153fc2b6 100644
--- a/src/psij/launchers/scripts/mpi_launch.sh
+++ b/src/psij/launchers/scripts/mpi_launch.sh
@@ -6,15 +6,21 @@ _PSI_J_PROCESS_COUNT="$1"
 shift
 
 IS_OPENMPI=0
-if mpirun -version | grep "Open MPI" >/dev/null 2>&1; then
+IS_OPENMPI_5=0
+if mpirun -version | grep "(Open MPI) 5" >/dev/null 2>&1; then
+    IS_OPENMPI_5=1
+elif mpirun -version | grep "Open MPI" >/dev/null 2>&1; then
     IS_OPENMPI=1
 fi
 
 pre_launch
 
 set +e
-if [ "$IS_OPENMPI" == "1" ]; then
+if [ "$IS_OPENMPI_5" == "1" ]; then
+    # there is no -q parameter in OMPI 5
     mpirun --oversubscribe -n $_PSI_J_PROCESS_COUNT "$@" 1>$_PSI_J_STDOUT 2>$_PSI_J_STDERR <$_PSI_J_STDIN
+elif [ "$IS_OPENMPI" == "1" ]; then
+    mpirun --oversubscribe -q -n $_PSI_J_PROCESS_COUNT "$@" 1>$_PSI_J_STDOUT 2>$_PSI_J_STDERR <$_PSI_J_STDIN
 else
     mpirun -n $_PSI_J_PROCESS_COUNT "$@" 1>$_PSI_J_STDOUT 2>$_PSI_J_STDERR <$_PSI_J_STDIN
 fi