diff --git a/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberEnterPhoneNumberFragment.kt b/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberEnterPhoneNumberFragment.kt
index 1d253ba86d9..fd13c8fa588 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberEnterPhoneNumberFragment.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberEnterPhoneNumberFragment.kt
@@ -142,6 +142,11 @@ class ChangeNumberEnterPhoneNumberFragment : LoggingFragment(R.layout.fragment_c
       return
     }
 
+    if (TextUtils.equals(binding.changeNumberEnterPhoneNumberOldNumberNumber.text,binding.changeNumberEnterPhoneNumberNewNumberNumber.text)) {
+      Toast.makeText(context, getString(R.string.ChangeNumberEnterPhoneNumberFragment__your_new_phone_number_can_not_be_same_as_your_old_phone_number), Toast.LENGTH_LONG).show()
+      return
+    }
+
     when (viewModel.canContinue()) {
       ChangeNumberViewModel.ContinueStatus.CAN_CONTINUE -> findNavController().safeNavigate(ChangeNumberEnterPhoneNumberFragmentDirections.actionEnterPhoneNumberChangeFragmentToChangePhoneNumberConfirmFragment())
       ChangeNumberViewModel.ContinueStatus.INVALID_NUMBER -> {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index eaa51c5366f..585af408614 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -5078,6 +5078,7 @@
     <string name="ChangeNumberEnterPhoneNumberFragment__you_must_specify_your_old_phone_number">You must specify your old phone number</string>
     <string name="ChangeNumberEnterPhoneNumberFragment__you_must_specify_your_new_number_country_code">You must specify your new number\'s country code</string>
     <string name="ChangeNumberEnterPhoneNumberFragment__you_must_specify_your_new_phone_number">You must specify your new phone number</string>
+    <string name="ChangeNumberEnterPhoneNumberFragment__your_new_phone_number_can_not_be_same_as_your_old_phone_number">Your new phone number can not be same as your old phone number</string>
 
     <!-- ChangeNumberVerifyFragment -->
     <string name="ChangeNumberVerifyFragment__change_number">Change Number</string>