diff --git a/app/react-native/src/bin/storybook-start.js b/app/react-native/src/bin/storybook-start.js
index 66b7802a8bdf..7b6a457281df 100644
--- a/app/react-native/src/bin/storybook-start.js
+++ b/app/react-native/src/bin/storybook-start.js
@@ -16,6 +16,7 @@ program
   .option('--skip-packager', 'run only storybook server')
   .option('-i, --manual-id', 'allow multiple users to work with same storybook')
   .option('--smoke-test', 'Exit after successful start')
+  .option('--packager-port <packagerPort>', 'Custom packager port')
   .parse(process.argv);
 
 const projectDir = path.resolve();
@@ -69,6 +70,7 @@ if (!program.skipPackager) {
       `--projectRoots ${projectRoots.join(',')}`,
       `--root ${projectDir}`,
       program.resetCache && '--reset-cache',
+      program.packagerPort && `--port=${program.packagerPort}`,
     ]
       .filter(x => x)
       .join(' '),