diff --git a/src/application/buildIos.ts b/src/application/buildIos.ts
index 71505f5..5c9813c 100644
--- a/src/application/buildIos.ts
+++ b/src/application/buildIos.ts
@@ -12,7 +12,7 @@ function installPods() {
   executeCommand('pod install', {cwd: iosFolder})
 }
 
-function _buildIos(buildType: string, platformName: keyof typeof iosBuildPlatforms) {
+function _buildIos(buildType?: string, platformName: keyof typeof iosBuildPlatforms = 'simulator') {
   const iosFolder = path.join(getProjectRootDir(), 'ios')
   const workspacePath = path.join(iosFolder, `${appName}.xcworkspace`)
   const buildFlavor = getIosFlavors(buildType)
@@ -59,7 +59,7 @@ function _buildIos(buildType: string, platformName: keyof typeof iosBuildPlatfor
 
 }
 
-export function buildIos(buildType: string, platformName: keyof typeof iosBuildPlatforms) {
+export function buildIos(buildType?: string, platformName: keyof typeof iosBuildPlatforms = 'simulator') {
   installPods()
   _buildIos(buildType, platformName)
 }
diff --git a/src/commands/build.ts b/src/commands/build.ts
index 76fbc4c..78be5e5 100644
--- a/src/commands/build.ts
+++ b/src/commands/build.ts
@@ -16,7 +16,7 @@ export default class Build extends Command {
     ios: Flags.boolean({char: 'i', description: 'Generate ios native build'}),
     android: Flags.boolean({char: 'a', description: 'Generate android native build'}),
     all: Flags.boolean({description: 'Generate both ios and android native build'}),
-    flavor: Flags.string({char: 'f', description: 'Specify flavor to build', default:'dev'}),
+    flavor: Flags.string({char: 'f', description: 'Specify flavor to build'}),
   }
 
   static args = {