diff --git a/packages/astro/src/core/dev/index.ts b/packages/astro/src/core/dev/index.ts
index 3aad5e444..924cd87ec 100644
--- a/packages/astro/src/core/dev/index.ts
+++ b/packages/astro/src/core/dev/index.ts
@@ -110,7 +110,7 @@ export class AstroDevServer {
     }
 
     const route = this.mostRecentRoute;
-    const pathname = route?.pathname ?? '/';
+    const [pathname, search = undefined] = (route?.pathname ?? '/').split('?');
 
     if (!route) {
       viteServer.ws.send({
@@ -274,7 +274,7 @@ export class AstroDevServer {
   private async handleRequest(req: http.IncomingMessage, res: http.ServerResponse, next: NextFunction) {
     if (!this.viteServer) throw new Error(`AstroDevServer.start() not called`);
 
-    let pathname = req.url || '/'; // original request
+    let [pathname, search = undefined] = (req.url || '/').split('?'); // original request
     const reqStart = performance.now();
     let filePath: URL | undefined;
     try {
diff --git a/packages/astro/test/dev-routing.test.js b/packages/astro/test/dev-routing.test.js
index 98ea79df3..129942c83 100644
--- a/packages/astro/test/dev-routing.test.js
+++ b/packages/astro/test/dev-routing.test.js
@@ -23,6 +23,11 @@ describe('Development Routing', () => {
       expect(response.status).to.equal(200);
     });
 
+    it('200 when adding search params', async () => {
+      const response = await fixture.fetch('/?foo=bar');
+      expect(response.status).to.equal(200);
+    });
+
     it('200 when loading non-root page', async () => {
       const response = await fixture.fetch('/another');
       expect(response.status).to.equal(200);