diff --git a/apps.toml b/apps.toml
index 9b3dadb3..2dfba78f 100644
--- a/apps.toml
+++ b/apps.toml
@@ -2408,6 +2408,7 @@ state = "working"
 url = "https://github.com/YunoHost-Apps/osticket_ynh"
 
 [outline]
+antifeatures = [ "not-totally-free" ]
 category = "publishing"
 level = 8
 state = "working"