diff --git a/packages/astro/test/fixtures/middleware-dev/package.json b/packages/astro/test/fixtures/middleware space/package.json
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/package.json
rename to packages/astro/test/fixtures/middleware space/package.json
diff --git a/packages/astro/test/fixtures/middleware-dev/src/middleware.js b/packages/astro/test/fixtures/middleware space/src/middleware.js
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/middleware.js
rename to packages/astro/test/fixtures/middleware space/src/middleware.js
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/404.astro b/packages/astro/test/fixtures/middleware space/src/pages/404.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/404.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/404.astro
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/api/endpoint.js b/packages/astro/test/fixtures/middleware space/src/pages/api/endpoint.js
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/api/endpoint.js
rename to packages/astro/test/fixtures/middleware space/src/pages/api/endpoint.js
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/broken-500.astro b/packages/astro/test/fixtures/middleware space/src/pages/broken-500.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/broken-500.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/broken-500.astro
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/broken-locals.astro b/packages/astro/test/fixtures/middleware space/src/pages/broken-locals.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/broken-locals.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/broken-locals.astro
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/clone.astro b/packages/astro/test/fixtures/middleware space/src/pages/clone.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/clone.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/clone.astro
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/does-nothing.astro b/packages/astro/test/fixtures/middleware space/src/pages/does-nothing.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/does-nothing.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/does-nothing.astro
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/index.astro b/packages/astro/test/fixtures/middleware space/src/pages/index.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/index.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/index.astro
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/lorem.astro b/packages/astro/test/fixtures/middleware space/src/pages/lorem.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/lorem.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/lorem.astro
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/not-interested.astro b/packages/astro/test/fixtures/middleware space/src/pages/not-interested.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/not-interested.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/not-interested.astro
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/redirect.astro b/packages/astro/test/fixtures/middleware space/src/pages/redirect.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/redirect.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/redirect.astro
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/rewrite.astro b/packages/astro/test/fixtures/middleware space/src/pages/rewrite.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/rewrite.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/rewrite.astro
diff --git a/packages/astro/test/fixtures/middleware-dev/src/pages/second.astro b/packages/astro/test/fixtures/middleware space/src/pages/second.astro
similarity index 100%
rename from packages/astro/test/fixtures/middleware-dev/src/pages/second.astro
rename to packages/astro/test/fixtures/middleware space/src/pages/second.astro
diff --git a/packages/astro/test/middleware.test.js b/packages/astro/test/middleware.test.js
index 9ca4841d4e4e6..81f167647b599 100644
--- a/packages/astro/test/middleware.test.js
+++ b/packages/astro/test/middleware.test.js
@@ -12,7 +12,7 @@ describe('Middleware in DEV mode', () => {
 
 	before(async () => {
 		fixture = await loadFixture({
-			root: './fixtures/middleware-dev/',
+			root: './fixtures/middleware space/',
 		});
 		devServer = await fixture.startDevServer();
 	});
@@ -116,7 +116,7 @@ describe('Middleware API in PROD mode, SSR', () => {
 
 	before(async () => {
 		fixture = await loadFixture({
-			root: './fixtures/middleware-dev/',
+			root: './fixtures/middleware space/',
 			output: 'server',
 			adapter: testAdapter({}),
 		});
@@ -223,7 +223,7 @@ describe('Middleware API in PROD mode, SSR', () => {
 
 	it('the integration should receive the path to the middleware', async () => {
 		fixture = await loadFixture({
-			root: './fixtures/middleware-dev/',
+			root: './fixtures/middleware space/',
 			output: 'server',
 			build: {
 				excludeMiddleware: true,
@@ -275,7 +275,7 @@ describe('Middleware, split middleware option', () => {
 
 	before(async () => {
 		fixture = await loadFixture({
-			root: './fixtures/middleware-dev/',
+			root: './fixtures/middleware space/',
 			output: 'server',
 			build: {
 				excludeMiddleware: true,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 1aebf6930f4cf..eb5e684fa34bf 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -2847,7 +2847,7 @@ importers:
         specifier: workspace:*
         version: link:../../..
 
-  packages/astro/test/fixtures/middleware-dev:
+  packages/astro/test/fixtures/middleware space:
     dependencies:
       astro:
         specifier: workspace:*