diff --git a/scripts/upgrade b/scripts/upgrade
index de23274..0b15889 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -69,7 +69,7 @@ then
 
        ynh_add_config --template="default.env" --destination="$install_dir/.env"
 
-       chmod 400 "$install_dir/.env"
+       chmod 600 "$install_dir/.env"
        chown $app:$app "$install_dir/.env"
 fi