diff --git a/samples/swift/ios/speech-samples/speech-samples/Info.plist b/samples/swift/ios/speech-samples/speech-samples/Info.plist
index 5b531f7b2..b915dee8d 100644
--- a/samples/swift/ios/speech-samples/speech-samples/Info.plist
+++ b/samples/swift/ios/speech-samples/speech-samples/Info.plist
@@ -20,6 +20,8 @@
 	<string>1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>NSMicrophoneUsageDescription</key>
+	<string>For microphone input testing</string>
 	<key>UIApplicationSceneManifest</key>
 	<dict>
 		<key>UIApplicationSupportsMultipleScenes</key>
@@ -62,5 +64,7 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
+	<key>UIUserInterfaceStyle</key>
+	<string>Light</string>
 </dict>
 </plist>
diff --git a/samples/swift/ios/speech-samples/speech-samples/ViewController.swift b/samples/swift/ios/speech-samples/speech-samples/ViewController.swift
index d18377818..413166385 100644
--- a/samples/swift/ios/speech-samples/speech-samples/ViewController.swift
+++ b/samples/swift/ios/speech-samples/speech-samples/ViewController.swift
@@ -6,6 +6,7 @@
 import UIKit
 import MicrosoftCognitiveServicesSpeech
 import Differ
+import AVFoundation
 
 extension StringProtocol {
     var words: [SubSequence] {
@@ -84,8 +85,14 @@ class ViewController: UIViewController {
     }
     
     @objc func pronunciationAssessmentWithMicrophoneButtonClicked(){
-        DispatchQueue.global(qos: .userInitiated).async {
-            self.pronunciationAssessmentWithMicrophone()
+        AVAudioSession.sharedInstance().requestRecordPermission { granted in
+            if granted {
+                DispatchQueue.global(qos: .userInitiated).async {
+                    self.pronunciationAssessmentWithMicrophone()
+                }
+            } else {
+                print("Microphone is not permitted!")
+            }
         }
     }