diff --git a/server/server_job.py b/server/server_job.py
index eb24ad2..1d7b021 100755
--- a/server/server_job.py
+++ b/server/server_job.py
@@ -751,7 +751,7 @@
             namespace = namespace.copy()
         self._fill_server_control_namespace(namespace, protect=protect)
         # TODO: Simplify and get rid of the special cases for only 1 machine.
-        if len(self.machines):
+        if len(self.machines) > 1:
             machines_text = '\n'.join(self.machines) + '\n'
             # Only rewrite the file if it does not match our machine list.
             try: