diff --git a/scripts/upgrade b/scripts/upgrade
index eeac629..e78746a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -44,14 +44,14 @@ fi
 ynh_script_progression --message="Upgrading source files..." --weight=4
 
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$install_dir"
-ynh_setup_source --dest_dir="$install_dir/extensions/LDAPAuthentication2" --source_id="ldap_authentication2"
-ynh_setup_source --dest_dir="$install_dir/extensions/LDAPProvider" --source_id="ldap_provider"
-ynh_setup_source --dest_dir="$install_dir/extensions/PluggableAuth" --source_id="pluggable_auth"
+ynh_setup_source --dest_dir="$install_dir" --full_replace=1
+ynh_setup_source --dest_dir="$install_dir/extensions/LDAPAuthentication2" --source_id="ldap_authentication2" --full_replace=1
+ynh_setup_source --dest_dir="$install_dir/extensions/LDAPProvider" --source_id="ldap_provider" --full_replace=1
+ynh_setup_source --dest_dir="$install_dir/extensions/PluggableAuth" --source_id="pluggable_auth" --full_replace=1
 
-# ynh_setup_source --dest_dir="$install_dir/extensions/LDAPGroups" --source_id="ldap_groups"
-# ynh_setup_source --dest_dir="$install_dir/extensions/LDAPUserInfo" --source_id="ldap_userinfo"
-# ynh_setup_source --dest_dir="$install_dir/extensions/LDAPAuthorization" --source_id="ldap_authorization"
+# ynh_setup_source --dest_dir="$install_dir/extensions/LDAPGroups" --source_id="ldap_groups" --full_replace=1
+# ynh_setup_source --dest_dir="$install_dir/extensions/LDAPUserInfo" --source_id="ldap_userinfo" --full_replace=1
+# ynh_setup_source --dest_dir="$install_dir/extensions/LDAPAuthorization" --source_id="ldap_authorization" --full_replace=1
 
 chmod -R o-rwx "$install_dir"
 chown -R "$app:www-data" "$install_dir"