diff --git a/scripts/install b/scripts/install
index 3ad77d0..9686674 100755
--- a/scripts/install
+++ b/scripts/install
@@ -100,27 +100,31 @@ chown root:root /etc/sudoers.d/$app
 
 # Add a post app install hook to sync the app importer
 mkdir -p /etc/yunohost/hooks.d/post_app_install
+chmod 700 /etc/yunohost/hooks.d/post_app_install
 ynh_add_config --template="sync_app_importer.sh" --destination="/etc/yunohost/hooks.d/post_app_install/${app}_sync_app_importer.sh"
 chown root:root /etc/yunohost/hooks.d/post_app_install/${app}_sync_app_importer.sh
-chmod +x /etc/yunohost/hooks.d/post_app_install/${app}_sync_app_importer.sh
+chmod 700 /etc/yunohost/hooks.d/post_app_install/${app}_sync_app_importer.sh
 
 # Add a post app remove hook to sync the app importer
 mkdir -p /etc/yunohost/hooks.d/post_app_remove
+chmod 700 /etc/yunohost/hooks.d/post_app_remove
 ynh_add_config --template="sync_app_importer.sh" --destination="/etc/yunohost/hooks.d/post_app_remove/${app}_sync_app_importer.sh"
 chown root:root /etc/yunohost/hooks.d/post_app_remove/${app}_sync_app_importer.sh
-chmod +x /etc/yunohost/hooks.d/post_app_remove/${app}_sync_app_importer.sh
+chmod 700 /etc/yunohost/hooks.d/post_app_remove/${app}_sync_app_importer.sh
 
 # Add a post user create hook to sync the user importer
 mkdir -p /etc/yunohost/hooks.d/post_user_create
+chmod 700 /etc/yunohost/hooks.d/post_user_create
 ynh_add_config --template="sync_user_importer.sh" --destination="/etc/yunohost/hooks.d/post_user_create/${app}_sync_user_importer.sh"
 chown root:root /etc/yunohost/hooks.d/post_user_create/${app}_sync_user_importer.sh
-chmod +x /etc/yunohost/hooks.d/post_user_create/${app}_sync_user_importer.sh
+chmod 700 /etc/yunohost/hooks.d/post_user_create/${app}_sync_user_importer.sh
 
 # Add a post user delete hook to sync the user importer
 mkdir -p /etc/yunohost/hooks.d/post_user_delete
+chmod 700 /etc/yunohost/hooks.d/post_user_delete
 ynh_add_config --template="sync_user_importer.sh" --destination="/etc/yunohost/hooks.d/post_user_delete/${app}_sync_user_importer.sh"
 chown root:root /etc/yunohost/hooks.d/post_user_delete/${app}_sync_user_importer.sh
-chmod +x /etc/yunohost/hooks.d/post_user_delete/${app}_sync_user_importer.sh
+chmod 700 /etc/yunohost/hooks.d/post_user_delete/${app}_sync_user_importer.sh
 
 # At last, run the YunoHost app importer
 ynh_script_progression --message="Import YunoHost apps in bazar" --weight=2
diff --git a/scripts/upgrade b/scripts/upgrade
index 82a4daa..4590039 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -82,28 +82,31 @@ chown root:root /etc/sudoers.d/$app
 
 # Add a post app install hook to sync the app importer
 mkdir -p /etc/yunohost/hooks.d/post_app_install
+chmod 700 /etc/yunohost/hooks.d/post_app_install
 ynh_add_config --template="sync_app_importer.sh" --destination="/etc/yunohost/hooks.d/post_app_install/${app}_sync_app_importer.sh"
 chown root:root /etc/yunohost/hooks.d/post_app_install/${app}_sync_app_importer.sh
-chmod +x /etc/yunohost/hooks.d/post_app_install/${app}_sync_app_importer.sh
+chmod 700 /etc/yunohost/hooks.d/post_app_install/${app}_sync_app_importer.sh
 
 # Add a post app remove hook to sync the app importer
 mkdir -p /etc/yunohost/hooks.d/post_app_remove
+chmod 700 /etc/yunohost/hooks.d/post_app_remove
 ynh_add_config --template="sync_app_importer.sh" --destination="/etc/yunohost/hooks.d/post_app_remove/${app}_sync_app_importer.sh"
 chown root:root /etc/yunohost/hooks.d/post_app_remove/${app}_sync_app_importer.sh
-chmod +x /etc/yunohost/hooks.d/post_app_remove/${app}_sync_app_importer.sh
+chmod 700 /etc/yunohost/hooks.d/post_app_remove/${app}_sync_app_importer.sh
 
 # Add a post user create hook to sync the user importer
 mkdir -p /etc/yunohost/hooks.d/post_user_create
+chmod 700 /etc/yunohost/hooks.d/post_user_create
 ynh_add_config --template="sync_user_importer.sh" --destination="/etc/yunohost/hooks.d/post_user_create/${app}_sync_user_importer.sh"
 chown root:root /etc/yunohost/hooks.d/post_user_create/${app}_sync_user_importer.sh
-chmod +x /etc/yunohost/hooks.d/post_user_create/${app}_sync_user_importer.sh
+chmod 700 /etc/yunohost/hooks.d/post_user_create/${app}_sync_user_importer.sh
 
 # Add a post user delete hook to sync the user importer
 mkdir -p /etc/yunohost/hooks.d/post_user_delete
+chmod 700 /etc/yunohost/hooks.d/post_user_delete
 ynh_add_config --template="sync_user_importer.sh" --destination="/etc/yunohost/hooks.d/post_user_delete/${app}_sync_user_importer.sh"
 chown root:root /etc/yunohost/hooks.d/post_user_delete/${app}_sync_user_importer.sh
-chmod +x /etc/yunohost/hooks.d/post_user_delete/${app}_sync_user_importer.sh
-
+chmod 700 /etc/yunohost/hooks.d/post_user_delete/${app}_sync_user_importer.sh
 
 
 if [ $(grep yunohost_sso_domain "$install_dir/wakka.config.php" | wc -l) = "0" ]; then