diff --git a/manifest.toml b/manifest.toml
index e3b3252..ab9c972 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -56,15 +56,18 @@ ram.runtime = "50M"
         [resources.sources.ldap_plugin]
         url = "https://piwigo.org/ext/download.php?rid=7036"
         sha256 = "3c22652f6c0653aaeebe239435796748ee57612ad44e8e5f2553277545d36e5e"
+        format = "zip"
 
         [resources.sources.main]
         url = "https://piwigo.org/download/dlcounter.php?code=13.8.0"
         sha256 = "7f6a2a796693a4ce245fd67ebdd8bf873dc6cb1a33acd567104a10347af7fe1d"
+        format = "zip"
 
         [resources.sources.log_failed_logins_plugin]
         url = "http://piwigo.org/ext/download.php?rid=5525"
         sha256 = "85b9a06f2c7ca8ae9698e6151c7631f519c945f696b02da72f9ff53243d7e4ca"
         in_subdir = false
+        format = "zip"
 
     [resources.system_user]