diff --git a/packages/@aws-cdk/aws-lambda-nodejs/lib/bundling.ts b/packages/@aws-cdk/aws-lambda-nodejs/lib/bundling.ts
index a6dcddde7709d..5051fc9012ada 100644
--- a/packages/@aws-cdk/aws-lambda-nodejs/lib/bundling.ts
+++ b/packages/@aws-cdk/aws-lambda-nodejs/lib/bundling.ts
@@ -140,7 +140,7 @@ export class Bundling implements cdk.BundlingOptions {
 
     const esbuildCommand: string = [
       npx, 'esbuild',
-      '--bundle', pathJoin(inputDir, this.relativeEntryPath),
+      '--bundle', pathJoin(inputDir, this.relativeEntryPath).replace(/(\s+)/g, '\\$1'),
       `--target=${this.props.target ?? toTarget(this.props.runtime)}`,
       '--platform=node',
       `--outfile=${pathJoin(outputDir, 'index.js')}`,
diff --git a/packages/@aws-cdk/aws-lambda-nodejs/test/bundling.test.ts b/packages/@aws-cdk/aws-lambda-nodejs/test/bundling.test.ts
index bd69394ae757c..2f96c10ff78ed 100644
--- a/packages/@aws-cdk/aws-lambda-nodejs/test/bundling.test.ts
+++ b/packages/@aws-cdk/aws-lambda-nodejs/test/bundling.test.ts
@@ -334,3 +334,23 @@ test('with command hooks', () => {
     }),
   });
 });
+
+test('escapes spaces in path', () => {
+  Bundling.bundle({
+    entry: '/project/lib/my cool lambda/handler.ts',
+    depsLockFilePath,
+    runtime: Runtime.NODEJS_12_X,
+    forceDockerBundling: true,
+  });
+
+  // Correctly bundles with esbuild
+  expect(Code.fromAsset).toHaveBeenCalledWith(path.dirname(depsLockFilePath), {
+    assetHashType: AssetHashType.OUTPUT,
+    bundling: expect.objectContaining({
+      command: [
+        'bash', '-c',
+        expect.stringContaining('lib/my\\ cool\\ lambda/handler.ts'),
+      ],
+    }),
+  });
+});