diff --git a/packages/haul-cli/src/commands/start.ts b/packages/haul-cli/src/commands/start.ts
index 33d125a8..06175d6f 100644
--- a/packages/haul-cli/src/commands/start.ts
+++ b/packages/haul-cli/src/commands/start.ts
@@ -93,6 +93,7 @@ export default function startCommand(runtime: Runtime) {
           platform: '',
           root: directory,
           dev: argv.dev,
+          port: argv.port,
           bundleMode: 'multi-bundle',
           bundleTarget: 'server',
           assetsDest: tempDir,
diff --git a/packages/haul-core/src/preset/makeConfigFactory.ts b/packages/haul-core/src/preset/makeConfigFactory.ts
index a670b738..d672157e 100644
--- a/packages/haul-core/src/preset/makeConfigFactory.ts
+++ b/packages/haul-core/src/preset/makeConfigFactory.ts
@@ -43,7 +43,7 @@ export default function makeConfigFactory(getDefaultConfig: GetDefaultConfig) {
   ): NormalizedProjectConfigBuilder {
     return (runtime: Runtime, env: EnvOptions) => {
       const normalizedServerConfig = {
-        port: get(projectConfig, 'server.port', DEFAULT_PORT),
+        port: env.port || get(projectConfig, 'server.port', DEFAULT_PORT),
         host: get(projectConfig, 'server.host', 'localhost'),
       } as NormalizedServerConfig;