diff --git a/src/filters/array.ts b/src/filters/array.ts
index f22fcce20..ed8776766 100644
--- a/src/filters/array.ts
+++ b/src/filters/array.ts
@@ -88,8 +88,10 @@ export function unshift<T> (this: FilterImpl, v: T[], arg: T): T[] {
   return clone
 }
 
-export function pop<T> (v: T[]): T[] {
-  const clone = [...toArray(v)]
+export function pop<T> (this: FilterImpl, v: T[]): T[] {
+  const array = toArray(v)
+  this.context.memoryLimit.use(array.length)
+  const clone = [...array]
   clone.pop()
   return clone
 }
diff --git a/test/integration/liquid/dos.spec.ts b/test/integration/liquid/dos.spec.ts
index 85783564e..1403c4d11 100644
--- a/test/integration/liquid/dos.spec.ts
+++ b/test/integration/liquid/dos.spec.ts
@@ -79,6 +79,11 @@ describe('DoS related', function () {
       await expect(liquid.parseAndRender(src, { array, count: 3 })).resolves.toBe('a a a a a a a a')
       await expect(liquid.parseAndRender(src, { array, count: 100 })).rejects.toThrow('memory alloc limit exceeded, line:1, col:26')
     })
+    it('should charge pop allocation to memoryLimit', async () => {
+      const array = Array(1e3).fill(0)
+      const liquid = new Liquid({ memoryLimit: 100 })
+      await expect(liquid.parseAndRender('{{ array | pop | size }}', { array })).rejects.toThrow('memory alloc limit exceeded')
+    })
     it('should charge strip_html input length to memoryLimit', () => {
       const liquid = new Liquid({ memoryLimit: 100 })
       expect(() => liquid.parseAndRenderSync('{{ s | strip_html }}', { s: 'a'.repeat(200) }))