diff --git a/scripts/restore b/scripts/restore
index 787e19b..4619525 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -17,6 +17,7 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$install_dir"
 
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 1b84a97..ffd974b 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -32,6 +32,7 @@ then
 	ynh_setup_source --dest_dir="$install_dir" #--keep='.env'
 fi
 
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================