diff --git a/archivebot-jobs b/archivebot-jobs
index 86eaa0c..ef3842d 100755
--- a/archivebot-jobs
+++ b/archivebot-jobs
@@ -62,7 +62,7 @@ class FilterAction(argparse.Action):
 				func = compile(values[0], '<pyfilter>', 'eval')
 			except Exception as e:
 				parser.error(f'Could not compile filter expression: {type(e).__module__}.{type(e).__name__}: {e!s}')
-			setattr(namespace, self.dest, lambda job: eval(func, {}, {'job': job}))
+			setattr(namespace, self.dest, lambda job: eval(func, {k: v for k, v in globals().items() if k in ('datetime', 'math', 're', 'time')}, {'job': job}))
 			return
 		global columns
 		match = re.match(r'^(?P<column>[A-Za-z ]+)(?P<op>[=<>^*$~])(?P<value>.*)$', values[0])