diff --git a/manifestv2_app_ynh/manifest.toml b/manifestv2_app_ynh/manifest.toml
index b2fb0ca..fdacbb1 100644
--- a/manifestv2_app_ynh/manifest.toml
+++ b/manifestv2_app_ynh/manifest.toml
@@ -1,6 +1,6 @@
 packaging_format = 2
 
-id = "manifestv2app"
+id = "manifestv2_app"
 name = "Manifest v2 app"
 description.en = "Demonstrate the manifest/packaging v2 format (adapted from Hextris)"