diff --git a/.changeset/green-chefs-build.md b/.changeset/green-chefs-build.md
new file mode 100644
index 000000000000..d1669c826643
--- /dev/null
+++ b/.changeset/green-chefs-build.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fix `astro:assets` SSR error
diff --git a/packages/astro/src/core/create-vite.ts b/packages/astro/src/core/create-vite.ts
index ab7208b7d01c..89dec9d4b3af 100644
--- a/packages/astro/src/core/create-vite.ts
+++ b/packages/astro/src/core/create-vite.ts
@@ -58,6 +58,8 @@ const ONLY_DEV_EXTERNAL = [
 	'shiki',
 	// Imported by `@astrojs/prism` which exposes `<Prism/>` that is processed by Vite
 	'prismjs/components/index.js',
+	// Imported by `astro/assets` -> `packages/astro/src/core/logger/core.ts`
+	'string-width',
 ];
 
 /** Return a common starting point for all Vite actions */