diff --git a/mmcli/mmcli.py b/mmcli/mmcli.py
index edb30a0..1c33468 100755
--- a/mmcli/mmcli.py
+++ b/mmcli/mmcli.py
@@ -102,7 +102,7 @@ def get_posts_for_channel(self, channel_id: str, progress=lambda x: None, after=
 			))
 			post_ids |= set(order)
 			progress(len(posts))
-			if len(order) < per_page or len(posts) >= maximum:
+			if len(order) < per_page or (maximum is not None and len(posts) >= maximum):
 				break
 			page += 1
 			sleep(0.1)