diff --git a/app/src/main/java/org/thoughtcrime/securesms/groups/ui/addmembers/AddMembersActivity.java b/app/src/main/java/org/thoughtcrime/securesms/groups/ui/addmembers/AddMembersActivity.java
index 15389f4aa4..82e76f5d98 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/groups/ui/addmembers/AddMembersActivity.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/groups/ui/addmembers/AddMembersActivity.java
@@ -7,9 +7,10 @@ import android.view.View;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
 import androidx.lifecycle.ViewModelProviders;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.thoughtcrime.securesms.ContactSelectionActivity;
 import org.thoughtcrime.securesms.ContactSelectionListFragment;
 import org.thoughtcrime.securesms.PushContactSelectionActivity;
@@ -140,7 +141,7 @@ public class AddMembersActivity extends PushContactSelectionActivity {
     String message = getResources().getQuantityString(R.plurals.AddMembersActivity__add_d_members_to_s, state.getSelectionCount(),
                                                       recipient.getDisplayName(this), state.getGroupTitle(), state.getSelectionCount());
 
-    new AlertDialog.Builder(this)
+    new MaterialAlertDialogBuilder(this)
                    .setMessage(message)
                    .setNegativeButton(android.R.string.cancel, (dialog, which) -> dialog.cancel())
                    .setPositiveButton(R.string.AddMembersActivity__add, (dialog, which) -> {