diff --git a/plinth/modules/firewall/firewall.py b/plinth/modules/firewall/firewall.py
index c13b02eca..906573286 100644
--- a/plinth/modules/firewall/firewall.py
+++ b/plinth/modules/firewall/firewall.py
@@ -36,7 +36,7 @@ LOGGER = logging.getLogger(__name__)
 def init():
     """Initailze firewall module"""
     menu = cfg.main_menu.get('system:index')
-    menu.add_urlname(_('Firewall'), 'glyphicon-flag', 'firewall:index', 50)
+    menu.add_urlname(_('Firewall'), 'glyphicon-fire', 'firewall:index', 50)
 
     service_enabled.connect(on_service_enabled)