diff --git a/server/api/v1/openapi.json.head.ts b/server/api/v1/openapi.json.head.ts
new file mode 100644
index 00000000..939d6723
--- /dev/null
+++ b/server/api/v1/openapi.json.head.ts
@@ -0,0 +1 @@
+export { default } from './openapi.json.get'
diff --git a/shared/content-negotiation.ts b/shared/content-negotiation.ts
index 1a3a533c..bad776ab 100644
--- a/shared/content-negotiation.ts
+++ b/shared/content-negotiation.ts
@@ -81,7 +81,7 @@ export function decideNegotiation(request: NegotiationRequest): NegotiationDecis
 
   const representation = representationFor(accept, request.secFetchDest)
   if (representation === 'markdown')
-    return { _tag: 'markdown', location: markdownPath(path) }
+    return { _tag: 'markdown', location: markdownPath(request.path) }
   if (representation === 'not-acceptable')
     return { _tag: 'not-acceptable' }
   return { _tag: 'html' }
@@ -177,8 +177,11 @@ function isPagePath(path: string): boolean {
 }
 
 function markdownPath(path: string): string {
-  const normalized = path.replace(/\/+$/, '')
-  return normalized ? `${normalized}.md` : '/index.md'
+  const index = path.indexOf('?')
+  const pathname = index === -1 ? path : path.slice(0, index)
+  const search = index === -1 ? '' : path.slice(index)
+  const normalized = pathname.replace(/\/+$/, '')
+  return `${normalized ? `${normalized}.md` : '/index.md'}${search}`
 }
 
 function withoutQuery(path: string): string {
diff --git a/test/unit/api-v1-parity.test.ts b/test/unit/api-v1-parity.test.ts
index 9fe33ac8..5b489a1e 100644
--- a/test/unit/api-v1-parity.test.ts
+++ b/test/unit/api-v1-parity.test.ts
@@ -8,7 +8,7 @@ import { describe, expect, it } from 'vitest'
  */
 const OUTSIDE_CONTRACT = [
   /^layers\/artifact-delivery\//,
-  /^server\/api\/v1\/openapi\.json\.get\.ts$/,
+  /^server\/api\/v1\/openapi\.json\.(?:get|head)\.ts$/,
 ]
 
 const modules = import.meta.glob<{ default: Partial<ApiOperationHandler> }>([
diff --git a/test/unit/content-negotiation.test.ts b/test/unit/content-negotiation.test.ts
index 6f8eeb24..41407018 100644
--- a/test/unit/content-negotiation.test.ts
+++ b/test/unit/content-negotiation.test.ts
@@ -71,7 +71,6 @@ describe('decideNegotiation: which requests negotiate', () => {
 
 describe('decideNegotiation: Markdown location', () => {
   it.each([
-    { path: '/skills/trending?range=week', location: '/skills/trending.md' },
     { path: '/', location: '/index.md' },
     { path: '/gh/antfu/skills/', location: '/gh/antfu/skills.md' },
   ])('$path redirects to $location', ({ path, location }) => {