diff --git a/packages/snaps-cli/src/webpack/server.test.ts b/packages/snaps-cli/src/webpack/server.test.ts
index 76c9e7d927..2e9fc85ed5 100644
--- a/packages/snaps-cli/src/webpack/server.test.ts
+++ b/packages/snaps-cli/src/webpack/server.test.ts
@@ -227,6 +227,34 @@ describe('getServer', () => {
     await close();
   });
 
+  it('ignores query strings', async () => {
+    const config = getMockConfig('webpack', {
+      input: 'src/index.js',
+      server: {
+        root: '/foo',
+        port: 0,
+      },
+    });
+
+    const server = getServer(config);
+    const { port, close } = await server.listen();
+
+    const response = await fetch(
+      `http://localhost:${port}/snap.manifest.json?_=1731493314736`,
+    );
+
+    expect(response.status).toBe(200);
+    expect(await response.text()).toBe('');
+
+    expect(serveMiddleware).toHaveBeenCalledWith(
+      expect.any(IncomingMessage),
+      expect.any(ServerResponse),
+      expect.objectContaining({ public: expect.stringContaining('foo') }),
+    );
+
+    await close();
+  });
+
   it('responds with 404 for non-allowed files', async () => {
     const config = getMockConfig('webpack', {
       input: 'src/index.js',
diff --git a/packages/snaps-cli/src/webpack/server.ts b/packages/snaps-cli/src/webpack/server.ts
index 8ca45588d3..b59d7faf07 100644
--- a/packages/snaps-cli/src/webpack/server.ts
+++ b/packages/snaps-cli/src/webpack/server.ts
@@ -113,7 +113,11 @@ export function getServer(config: ProcessedConfig) {
     const { result } = await readJsonFile<SnapManifest>(manifestPath);
     const allowedPaths = getAllowedPaths(config, result);
 
-    const path = request.url?.slice(1);
+    const pathname =
+      request.url &&
+      request.headers.host &&
+      new URL(request.url, `http://${request.headers.host}`).pathname;
+    const path = pathname?.slice(1);
     const allowed = allowedPaths.some((allowedPath) => path === allowedPath);
 
     if (!allowed) {