diff --git a/apps.toml b/apps.toml
index de84cd6e..d1629a5b 100644
--- a/apps.toml
+++ b/apps.toml
@@ -1065,7 +1065,7 @@ url = "https://github.com/YunoHost-Apps/fastapi_ynh"
 
 [ffsync]
 added_date = 1674232499 # 2023/01/20
-antifeatures = [ "deprecated-software" ]
+antifeatures = [ "deprecated-software", "replaced-by-another-app" ]
 category = "synchronization"
 deprecated_date = 1660842060 # 2022/08/18
 level = 6