diff --git a/files/routes/awards.py b/files/routes/awards.py
index 88ead818a..81812b4a7 100644
--- a/files/routes/awards.py
+++ b/files/routes/awards.py
@@ -295,8 +295,11 @@ def award_thing(v, thing_type, id):
 			author.ban_reason = None
 			send_repeatable_notification(author.id, "You have been unbanned!")
 	elif kind == "grass":
+		new_unban_utc = int(time.time()) + 30 * 86400
+		if author.unban_utc > new_unban_utc:
+			abort(403, f"{safe_username} already banned for more than 30 days!")
 		author.is_banned = AUTOJANNY_ID
-		author.unban_utc = int(time.time()) + 30 * 86400
+		author.unban_utc = new_unban_utc
 		send_repeatable_notification(author.id, f"@{v.username} gave you the grass award on {obj.textlink} and as a result you have been banned! You must [send the admins](/contact) a timestamped picture of you touching grass/snow/sand/ass to get unbanned!")
 	elif kind == "pin":
 		if not FEATURES['PINS']: abort(403)