diff --git a/package.json b/package.json
index 64d02e3..2e14916 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "computercraft-mutil",
-  "version": "1.0.7",
+  "version": "1.0.8",
   "description": "",
   "license": "ISC",
   "author": "",
diff --git a/src/quaternion.ts b/src/quaternion.ts
index 12005c6..a256600 100644
--- a/src/quaternion.ts
+++ b/src/quaternion.ts
@@ -1,12 +1,14 @@
 import { Vec3 } from "./vec";
 
+const math = globalThis.math;
+
 export class Quaternion {
   public constructor(
     public x: number,
     public y: number,
     public z: number,
     public w: number,
-  ) { }
+  ) {}
 
   public static fromXYZ({
     x,
diff --git a/tsconfig.json b/tsconfig.json
index 0c6d21c..62b53ec 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -14,7 +14,8 @@
   "tstl": {
     "luaTarget": "JIT",
     "buildMode": "library",
-    "noImplicitSelf": true
+    "noImplicitSelf": true,
+    "noImplicitGlobalVariables": true
   },
   "include": ["src/**/*"]
 }