diff --git a/jobspec/transformer/flux/steps.py b/jobspec/transformer/flux/steps.py
index cef2df5..cf8349d 100644
--- a/jobspec/transformer/flux/steps.py
+++ b/jobspec/transformer/flux/steps.py
@@ -90,7 +90,7 @@ def write_job_script(self, command):
         # Clean up (activate later)
         command += f"\n#rm -rf {tmpfile}"
         utils.write_file(command, tmpfile)
-        return [terms["executable", tmpfile]]
+        return [terms["executable"], tmpfile]
 
     def prepare(self, command=None, waitable=False):
         """