diff --git a/implementation/03-queue.js b/implementation/03-queue.js
index 18fbe68..00f4f66 100644
--- a/implementation/03-queue.js
+++ b/implementation/03-queue.js
@@ -5,6 +5,7 @@ class Queue {
     constructor() {
         this.head = null;
         this.tail = null;
+        this.length = 0;
     }
 
     enqueue(val) {
@@ -15,7 +16,7 @@ class Queue {
 
     dequeue() {
         // Remove node from front of queue (linked list)
-        
+
         // Write your hypothesis on the time complexity of this method here
     }
 
diff --git a/implementation/test/03-queue-specs.js b/implementation/test/03-queue-specs.js
index 7873d84..83fc80f 100644
--- a/implementation/test/03-queue-specs.js
+++ b/implementation/test/03-queue-specs.js
@@ -37,6 +37,7 @@ describe('Queue', () => {
     it('Should have head, tail and length properties', () => {
       expect(queue).to.have.property('head');
       expect(queue).to.have.property('tail');
+      expect(queue).to.have.property('length');
     });
 
     it('Should not implement an Array to store values', () => {