diff --git a/app/src/main/java/org/linphone/activities/main/dialer/fragments/DialerFragment.kt b/app/src/main/java/org/linphone/activities/main/dialer/fragments/DialerFragment.kt
index de0a03a30..96b400e8f 100644
--- a/app/src/main/java/org/linphone/activities/main/dialer/fragments/DialerFragment.kt
+++ b/app/src/main/java/org/linphone/activities/main/dialer/fragments/DialerFragment.kt
@@ -200,7 +200,7 @@ class DialerFragment : SecureFragment<DialerFragmentBinding>() {
         grantResults: IntArray
     ) {
         if (requestCode == 0) {
-            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+            if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                 Log.i("[Dialer] READ_PHONE_STATE permission has been granted")
                 coreContext.initPhoneStateListener()
             }