diff --git a/packages/playground/assets/__tests__/assets.spec.ts b/packages/playground/assets/__tests__/assets.spec.ts
index dfdd8099b062a2..8781fec785f3f2 100644
--- a/packages/playground/assets/__tests__/assets.spec.ts
+++ b/packages/playground/assets/__tests__/assets.spec.ts
@@ -121,6 +121,10 @@ describe('css url() references', () => {
const match = isBuild ? `data:image/png;base64` : `/foo/nested/icon.png`
expect(await getBg('.css-url-base64-inline')).toMatch(match)
expect(await getBg('.css-url-quotes-base64-inline')).toMatch(match)
+ const icoMatch = isBuild ? `data:image;base64` : `favicon.ico`
+ const el = await page.$(`link.ico`)
+ const herf = await el.getAttribute('href')
+ expect(herf).toMatch(icoMatch)
})
test('multiple urls on the same line', async () => {
diff --git a/packages/playground/assets/favicon.ico b/packages/playground/assets/favicon.ico
new file mode 100644
index 00000000000000..d75d248ef0b150
Binary files /dev/null and b/packages/playground/assets/favicon.ico differ
diff --git a/packages/playground/assets/index.html b/packages/playground/assets/index.html
index 8c5b201f6881a4..e33e9a7cdaaf7d 100644
--- a/packages/playground/assets/index.html
+++ b/packages/playground/assets/index.html
@@ -2,6 +2,7 @@
+
diff --git a/packages/vite/src/node/plugins/asset.ts b/packages/vite/src/node/plugins/asset.ts
index 7ec3a01543f9a4..0b859183f6f8f3 100644
--- a/packages/vite/src/node/plugins/asset.ts
+++ b/packages/vite/src/node/plugins/asset.ts
@@ -33,6 +33,10 @@ const emittedHashMap = new WeakMap>()
export function assetPlugin(config: ResolvedConfig): Plugin {
// assetHashToFilenameMap initialization in buildStart causes getAssetFilename to return undefined
assetHashToFilenameMap.set(config, new Map())
+
+ // add own dictionary entry by directly assigning mrmine
+ // https://github.com/lukeed/mrmime/issues/3
+ mrmime.mimes['ico'] = 'image'
return {
name: 'vite:asset',