diff --git a/mattermost_bot.py b/mattermost_bot.py
index ff1525d..fb8fae6 100755
--- a/mattermost_bot.py
+++ b/mattermost_bot.py
@@ -47,7 +47,7 @@ def announce_sunrise(today):
 def announce_sunset(tomorrow):
 	print("Announcing sunset", flush=True)
 	now = datetime.datetime.now(GHENT.tzinfo)
-	post(":sunset: De zon gaat onder in Gent!\nZonsopkomst om {} (binnen {})".format(
+	post(":city_sunset: De zon gaat onder in Gent!\nZonsopkomst om {} (binnen {})".format(
 		tomorrow["sunrise"],
 		format_in(now - tomorrow["sunrise"]),
 	))