diff --git a/README.md b/README.md
index a33453e..79363bc 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 ##### This project is complete for now.
 [![Build Status](https://travis-ci.com/Pierce01/MinecraftLauncher-core.svg?branch=master)](https://travis-ci.com/Pierce01/MinecraftLauncher-core)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-![version](https://img.shields.io/badge/stable_version-3.17.0-blue)
+![version](https://img.shields.io/badge/stable_version-3.17.1-blue)
 ![badge](https://img.shields.io/badge/ncurses-not_supported-purple)
 
 MCLC (Minecraft Launcher Core) is a NodeJS solution for launching modded and vanilla Minecraft without having to download and format everything yourself.
diff --git a/components/handler.js b/components/handler.js
index 1acb92b..94be656 100644
--- a/components/handler.js
+++ b/components/handler.js
@@ -509,8 +509,7 @@ class Handler {
         jarPath = path.join(directory, `${lib[0].replace(/\./g, '/')}/${lib[1]}/${lib[2]}`)
       }
 
-      if (!fs.existsSync(path.join(jarPath, name)) || !this.checkSum(library.downloads.artifact.sha1, path.join(jarPath, name))) {
-        // Simple lib support, forgot which addon needed this but here you go, Mr special.
+      const downloadLibrary = async library => {
         if (library.url) {
           const url = `${library.url}${lib[0].replace(/\./g, '/')}/${lib[1]}/${lib[2]}/${name}`
           await this.downloadAsync(url, jarPath, name, true, eventName)
@@ -519,6 +518,11 @@ class Handler {
         }
       }
 
+      if (!fs.existsSync(path.join(jarPath, name))) downloadLibrary(library)
+      else if (library.downloads && library.downloads.artifact) {
+        if (!this.checkSum(library.downloads.artifact.sha1, path.join(jarPath, name))) downloadLibrary(library)
+      }
+
       counter++
       this.client.emit('progress', {
         type: eventName,
diff --git a/package.json b/package.json
index fe34150..236e380 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "minecraft-launcher-core",
-  "version": "3.17.0",
+  "version": "3.17.1",
   "description": "Lightweight module that downloads and runs Minecraft using javascript / NodeJS",
   "main": "index.js",
   "dependencies": {