diff --git a/scripts/upgrade b/scripts/upgrade
index 16b8a87..41a9b92 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -17,22 +17,21 @@ upgrade_type=$(ynh_check_app_version_changed)
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 
-if [ "$upgrade_type" == "UPGRADE_APP" ]
-then
-	ynh_script_progression --message="Upgrading source files..." --weight=1
+if [ "$upgrade_type" == "UPGRADE_APP" ]; then
+    ynh_script_progression --message="Upgrading source files..." --weight=1
 
-	ynh_setup_source --dest_dir="$install_dir/source"
-	chown -R $app:www-data "$install_dir"
+    ynh_setup_source --dest_dir="$install_dir/source" --full_replace=1
+    chown -R $app:www-data "$install_dir"
 
-	ynh_script_progression --message="Installing NodeJS..." --weight=20
+    ynh_script_progression --message="Installing NodeJS..." --weight=20
 
-	# Install Nodejs
-	ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
+    # Install Nodejs
+    ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 
-	ynh_script_progression --message="Building Jellyfin Vue... (this will take some time and resources!)" --weight=24
+    ynh_script_progression --message="Building Jellyfin Vue... (this will take some time and resources!)" --weight=24
 
-	_patch_config_json "$install_dir/source"
-	_npm_build_install "$install_dir/source" "$install_dir/www" "$path/"
+    _patch_config_json "$install_dir/source"
+    _npm_build_install "$install_dir/source" "$install_dir/www" "$path/"
 fi
 
 chown -R $app:www-data "$install_dir"