diff --git a/lib/experimental/interactivity-api/modules.php b/lib/experimental/interactivity-api/modules.php
index 7db774de04fd7..02785a152ca1f 100644
--- a/lib/experimental/interactivity-api/modules.php
+++ b/lib/experimental/interactivity-api/modules.php
@@ -21,7 +21,7 @@ function gutenberg_register_interactivity_module() {
 	// TODO: Load only if the browser doesn't support import maps (https://github.com/guybedford/es-module-shims/issues/371).
 	wp_enqueue_script(
 		'es-module-shims',
-		gutenberg_url( '/build/importmap-polyfill.min.js' ),
+		gutenberg_url( '/build/modules/importmap-polyfill.min.js' ),
 		array(),
 		null,
 		array(
diff --git a/tools/webpack/interactivity.js b/tools/webpack/interactivity.js
index bf14e74dbc6b6..03bb1f576cb78 100644
--- a/tools/webpack/interactivity.js
+++ b/tools/webpack/interactivity.js
@@ -75,7 +75,7 @@ module.exports = {
 			patterns: [
 				{
 					from: './node_modules/es-module-shims/dist/es-module-shims.wasm.js',
-					to: './build/importmap-polyfill.min.js',
+					to: './build/modules/importmap-polyfill.min.js',
 				},
 			],
 		} ),