diff --git a/src/Create.ts b/src/Create.ts
index cdcb883b..e2d630f6 100644
--- a/src/Create.ts
+++ b/src/Create.ts
@@ -238,8 +238,8 @@ export class Noise extends Pt {
    */
   noise2D() {
   
-    let i = Math.floor( this._n[0] ) % 255;
-    let j = Math.floor( this._n[1] ) % 255;
+    let i = Math.max(0, Math.floor( this._n[0] )) % 255;
+    let j = Math.max(0, Math.floor( this._n[1] )) % 255;
     let x = (this._n[0] % 255) - i;
     let y = (this._n[1] % 255) - j;