diff --git a/workflow/rocoto/workflow_xml.py b/workflow/rocoto/workflow_xml.py
index 8c859db25e..efc067f4df 100644
--- a/workflow/rocoto/workflow_xml.py
+++ b/workflow/rocoto/workflow_xml.py
@@ -156,21 +156,21 @@ def _write_crontab(self, crontab_file: str = None, cronint: int = 5) -> None:
             replyto = ''
 
         strings = ['',
-                  f'#################### {pslot} ####################',
-                  f'MAILTO="{replyto}"'
-                  ]
+            f'#################### {pslot} ####################',
+            f'MAILTO="{replyto}"'
+            ]
        #AWS need 'SHELL', and 'BASH_ENV' defined, or, the crontab job won't start.
         if os.environ.get('PW_CSP', None) in ['aws', 'azure', 'google']:
-             strings.extend(
-                       [
-                       f'SHELL="/bin/bash"',
-                       f'BASH_ENV="/etc/bashrc"'
-                       ])
+            strings.extend(
+                [
+                f'SHELL="/bin/bash"',
+                f'BASH_ENV="/etc/bashrc"'
+                ])
         strings.extend(
-                  [
-                  f'{cronintstr} {rocotorunstr}',
-                  '#################################################################',
-                  ''])
+            [
+            f'{cronintstr} {rocotorunstr}',
+            '#################################################################',
+            ''])
 
         if crontab_file is None:
             crontab_file = f"{expdir}/{pslot}.crontab"