diff --git a/.gitignore b/.gitignore
index 2c6474b..64dbfb6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
-snowy.zip
+snowy@exposedcat.shell-extension.zip
 schemas/gschemas.compiled
\ No newline at end of file
diff --git a/extension.js b/extension.js
index 0e44569..962c316 100644
--- a/extension.js
+++ b/extension.js
@@ -1,7 +1,8 @@
 const { GLib } = imports.gi
 const Utils = imports.misc.extensionUtils
 const Extension = Utils.getCurrentExtension()
-const { manager: Manager, config: Config } = Extension.imports.js
+const { Config } = Extension.imports.js.config
+const { Manager } = Extension.imports.js.manager
 
 let manager = null
 
diff --git a/js/config.js b/js/config.js
index e0f333a..0a719ef 100644
--- a/js/config.js
+++ b/js/config.js
@@ -1,7 +1,9 @@
+const GObject = imports.gi.GObject
+
 const Utils = imports.misc.extensionUtils
 const Extension = Utils.getCurrentExtension()
 
-class Config {
+var Config = class Config {
 	constructor(id) {
 		this.data = Utils.getSettings(id)
 	}
diff --git a/js/manager.js b/js/manager.js
index 72dc3ad..66d8d92 100644
--- a/js/manager.js
+++ b/js/manager.js
@@ -6,7 +6,7 @@ const Extension = Utils.getCurrentExtension()
 const { Snowflake } = Extension.imports.js.snowflake
 const { random, setInterval } = Extension.imports.js.utils
 
-class Manager {
+var Manager = class Manager {
 	constructor() {
 		this.timerId = null
 		this.snowing = false
diff --git a/js/snowflake.js b/js/snowflake.js
index f2978ad..13ab892 100644
--- a/js/snowflake.js
+++ b/js/snowflake.js
@@ -6,7 +6,7 @@ const Extension = Utils.getCurrentExtension()
 
 const { random } = Extension.imports.js.utils
 
-class Snowflake {
+var Snowflake = class Snowflake {
 	constructor(config) {
 		const icons = config.string('flake-icons').split(',')
 		const iconNumber = random(0, icons.length - 1)
diff --git a/metadata.json b/metadata.json
index 126f15f..cdbd865 100644
--- a/metadata.json
+++ b/metadata.json
@@ -2,6 +2,8 @@
   "description": "Make you festive mood with falling snow on your GNOME DE system",
   "name": "Snowy",
   "shell-version": [
+    "43",
+    "42",
     "41",
     "40",
     "3"
@@ -9,4 +11,4 @@
   "url": "https://github.com/ExposedCat/snowy",
   "uuid": "snowy@exposedcat",
   "version": 3.1
-}
+}
\ No newline at end of file