diff --git a/README.md b/README.md
index 623a440..af24fb6 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-3.12.3-blue)
+![version](https://img.shields.io/badge/stable_version-3.13.2-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.
@@ -33,7 +33,6 @@ let opts = {
     // MCLC so you can handle auth based errors and validation!
     authorization: Authenticator.getAuth("username", "password"),
     root: "./minecraft",
-    os: "windows",
     version: {
         number: "1.14",
         type: "release"
@@ -66,7 +65,8 @@ launcher.on('data', (e) => console.log(e));
 | `options.installer`      | String   | Path to installer being executed.                                                         | False    |
 | `options.root`           | String   | Path where you want the launcher to work in.  like `C:/Users/user/AppData/Roaming/.mc`,   | True     |
 | `options.os`             | String   | windows, osx or linux. MCLC will auto determine the OS if this field isn't provided.      | False    |
-| `options.customArgs`     | Array    | Array of custom java arguments you want to add.                                           | False    |
+| `options.customLaunchArgs`| Array   | Array of custom Minecraft arguments you want to add.                                 | False    |
+| `options.customArgs`     | Array    | Array of custom Java arguments you want to add.                                           | False    |
 | `options.version.number` | String   | Minecraft version that is going to be launched.                                           | True     |
 | `options.version.type`   | String   | Any string. The actual Minecraft launcher uses `release` and `snapshot`.                  | True     |
 | `options.version.custom` | String   | The name of the folder, jar file, and version json in the version folder.                 | False    |
@@ -197,3 +197,4 @@ These are the people that helped out that aren't listed [here](https://github.co
 * [Khionu](https://github.com/khionu) - Research on how Minecraft's`natives` are handled.
 * [Coding-Kiwi](https://github.com/Coding-Kiwi) - Pointed out I didn't pass `clientToken` in initial authentication function.
 * maxbsoft - Pointed out that a certain JVM option causes OSX Minecraft to bug out.
+* [Noé](https://github.com/NoXeDev) - Pointed out launch args weren't being passed for Forge 1.13+.
diff --git a/components/handler.js b/components/handler.js
index d2139f6..c404a50 100644
--- a/components/handler.js
+++ b/components/handler.js
@@ -337,7 +337,6 @@ class Handler {
 
             const downloadLink = `${url}${lib[0].replace(/\./g, '/')}/${lib[1]}/${lib[2]}/${name}`;
 
-
             if(fs.existsSync(path.join(jarPath, name))) {
                 paths.push(`${jarPath}${path.sep}${name}`);
                 counter = counter + 1;
@@ -475,7 +474,7 @@ class Handler {
             const assetRoot = this.options.overrides.assetRoot || path.join(this.options.root, 'assets');
             const assetPath = this.version.assets === "legacy" || this.version.assets === "pre-1.6" ? path.join(assetRoot, 'legacy') : path.join(assetRoot);
 
-            const minArgs = this.options.overrides.minArgs || 5;
+            const minArgs = this.options.overrides.minArgs || this.version.assets === "legacy" ? 5 : 11;
             if(args.length < minArgs) args = args.concat(this.version.minecraftArguments ? this.version.minecraftArguments.split(' ') : this.version.arguments.game);
 
             this.options.authorization = await Promise.resolve(this.options.authorization);
@@ -514,9 +513,7 @@ class Handler {
                 '--proxyPass',
                 this.options.proxy.password
             );
-
             if(this.options.customLaunchArgs) this.options.customLaunchArgs.forEach(customArg => args = args.concat(customArg.split(' ')))
-
             this.client.emit('debug', '[MCLC]: Set launch options');
             resolve(args);
         });
diff --git a/package.json b/package.json
index f377444..a4c1911 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "minecraft-launcher-core",
-  "version": "3.12.3",
+  "version": "3.13.2",
   "description": "Lightweight module that downloads and runs Minecraft using javascript / NodeJS",
   "main": "index.js",
   "dependencies": {