diff --git a/slate/slate.py b/slate/slate.py
index f4d0ea2..f478022 100644
--- a/slate/slate.py
+++ b/slate/slate.py
@@ -225,10 +225,12 @@ class Slate():
         sh_lines += self.consume(slurmC, 'sh_lines', [])
         if venv := self.consume(slurmC, 'venv', False):
             sh_lines += [f'source activate {venv}']
+        final_line = f'python3 {python_script} {filename} {name} -t $SLURM_ARRAY_TASK_ID --sweep_id {self.sweep_id}'
         if self.consume(slurmC, 'xvfb', False):
-            sh_lines += [f'xvfb-run python3 {python_script} {filename} {name} -t $SLURM_ARRAY_TASK_ID --sweep_id {self.sweep_id}']
-        else:            
-            sh_lines += [f'python3 {python_script} {filename} {name} -t $SLURM_ARRAY_TASK_ID --sweep_id {self.sweep_id}']
+            final_line = f'xvfb-run {final_line}'
+        if self.consume(slurmC, 'isaac_sif', False):
+            final_line = f'./omni_sif_python {final_line}'
+        sh_lines += [final_line]
         script = "\n".join(sh_lines)
 
         num_jobs = self._calc_num_jobs(schedC, num_conv_versions)