diff --git a/src/assets/calculator.js b/src/assets/calculator.js
index 05b6eff..34fac7b 100644
--- a/src/assets/calculator.js
+++ b/src/assets/calculator.js
@@ -19,19 +19,19 @@ const FAIL_CRITERIA = {
 };
 
 class Dimensions {
-    constructor(length, width, height) {
-        this.length = length;
+    constructor(width, depth, height) {
         this.width = width;
+        this.depth = depth;
         this.height = height;
     }
 
     toString() {
-        return `${this.length}x${this.width}x${this.height}`;
+        return `${this.width}x${this.depth}x${this.height}`;
     }
 
     static fromDict(data) {
-        const { length, width, height } = data;
-        return new Dimensions(length, width, height);
+        const { width, depth,  height } = data;
+        return new Dimensions(width, depth, height);
     }
 }