diff --git a/packages/aws-cdk-lib/aws-lambda/lib/architecture.ts b/packages/aws-cdk-lib/aws-lambda/lib/architecture.ts
index ae86624ca006b..8a8d709d4f14d 100644
--- a/packages/aws-cdk-lib/aws-lambda/lib/architecture.ts
+++ b/packages/aws-cdk-lib/aws-lambda/lib/architecture.ts
@@ -36,4 +36,11 @@ export class Architecture {
     this.name = archName;
     this.dockerPlatform = dockerPlatform;
   }
+
+  /**
+  * Returns a string representation of the architecture using the name
+  */
+  public toString(): string {
+    return this.name;
+  }
 }
diff --git a/packages/aws-cdk-lib/aws-lambda/test/architecture.test.ts b/packages/aws-cdk-lib/aws-lambda/test/architecture.test.ts
new file mode 100644
index 0000000000000..91e2823f09dae
--- /dev/null
+++ b/packages/aws-cdk-lib/aws-lambda/test/architecture.test.ts
@@ -0,0 +1,21 @@
+
+import { App, Stack } from '../../core';
+import * as lambda from '../lib';
+
+describe('architecture', () => {
+  const app = new App();
+  const stack = new Stack(app, 'stack');
+
+  test('toString to return the architecture name', () => {
+    // GIVEN
+    const testLambda = new lambda.Function(stack, 'testLambda', {
+      code: new lambda.InlineCode('foo'),
+      handler: 'index.handler',
+      runtime: lambda.Runtime.NODEJS_14_X,
+    },
+    );
+
+    // THEN
+    expect(`${testLambda.architecture}`).toEqual(testLambda.architecture.name);
+  });
+});