diff --git a/toolchain/modules b/toolchain/modules
index 65686085b..69757c3c0 100644
--- a/toolchain/modules
+++ b/toolchain/modules
@@ -54,7 +54,7 @@ d-gpu MFC_CUDA_CC=80,86
 
 o     Brown Oscar
 o-all python
-o-cpu hpcx-mpi
+o-cpu hpcx-mpi python/3.13.10s
 o-gpu nvhpc cuda/12.3.0 cmake/3.26.3
 o-gpu CC=nvc CXX=nvc++ FC=nvfortran
 
diff --git a/toolchain/templates/oscar.mako b/toolchain/templates/oscar.mako
index af54ca718..223c0e6ae 100644
--- a/toolchain/templates/oscar.mako
+++ b/toolchain/templates/oscar.mako
@@ -4,7 +4,7 @@
 
 % if engine == 'batch':
 #SBATCH --nodes=${nodes}
-#SBATCH --ntasks-per-node=${tasks_per_node}
+#SBATCH --tasks-per-node=${tasks_per_node}
 #SBATCH --cpus-per-task=1
 #SBATCH --job-name="${name}"
 #SBATCH --time=${walltime}
@@ -15,9 +15,8 @@
 #SBATCH --account="${account}"
 % endif
 % if gpu_enabled:
-#SBATCH --gpus-per-node=${tasks_per_node}
-#SBATCH --mem=64G
-#SBATCH --gpu-bind=closest
+#SBATCH --gpu-bind=verbose,closest
+#SBATCH --gres=gpu:v100-16:${tasks_per_node}
 % endif
 #SBATCH --output="${name}.out"
 #SBATCH --error="${name}.err"
@@ -31,7 +30,7 @@
 ${helpers.template_prologue()}
 
 ok ":) Loading modules:\n"
-cd "${MFC_ROOTDIR}"
+cd "${MFC_ROOT_DIR}"
 . ./mfc.sh load -c o -m ${'g' if gpu_enabled else 'c'}
 cd - > /dev/null
 echo
@@ -42,9 +41,8 @@ echo
     % if not mpi:
         (set -x; ${profiler} "${target.get_install_binpath(case)}")
     % else:
-        (set -x; ${profiler}    \
-            mpirun -np ${nodes*tasks_per_node}                 \
-                   ${' '.join([f"'{x}'" for x in ARG('--') ])} \
+        (set -x; ${profiler}                              \
+            mpirun -np ${nodes*tasks_per_node}            \
                    "${target.get_install_binpath(case)}")
     % endif