diff --git a/.changeset/many-items-greet.md b/.changeset/many-items-greet.md
new file mode 100644
index 000000000000..74e172120c03
--- /dev/null
+++ b/.changeset/many-items-greet.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/enhanced-img': patch
+---
+
+fix(perf): correctly apply id filter from vite-plugin-svelte
diff --git a/packages/enhanced-img/src/vite-plugin.js b/packages/enhanced-img/src/vite-plugin.js
index 92ea66626b4a..ad7326a62f71 100644
--- a/packages/enhanced-img/src/vite-plugin.js
+++ b/packages/enhanced-img/src/vite-plugin.js
@@ -39,7 +39,7 @@ export function image_plugin(imagetools_plugin) {
 				);
 			}
 			// @ts-expect-error plugin.transform is defined below before configResolved is called
-			plugin.transform.filter.id = svelteConfigPlugin.api.idFilter;
+			plugin.transform.filter.id = svelteConfigPlugin.api.idFilter.id;
 		},
 		transform: {
 			order: 'pre', // puts it before vite-plugin-svelte:compile