diff --git a/npm/vite-dev-server/src/startServer.ts b/npm/vite-dev-server/src/startServer.ts
index 324a026802d6..8ce3c92656fd 100644
--- a/npm/vite-dev-server/src/startServer.ts
+++ b/npm/vite-dev-server/src/startServer.ts
@@ -43,7 +43,7 @@ const resolveServerConfig = async ({ viteConfig, options }: StartDevServer): Pro
 
   finalConfig.server = finalConfig.server || {}
 
-  finalConfig.server.port = await getPort({ port: 3000, host: 'localhost' }),
+  finalConfig.server.port = await getPort({ port: finalConfig.server.port || 3000, host: 'localhost' }),
 
   debug(`the resolved server config is ${JSON.stringify(finalConfig, null, 2)}`)