diff --git a/res/layout/bluetooth_find_broadcast_password_dialog.xml b/res/layout/bluetooth_find_broadcast_password_dialog.xml
index f9df3f5..938f103 100644
--- a/res/layout/bluetooth_find_broadcast_password_dialog.xml
+++ b/res/layout/bluetooth_find_broadcast_password_dialog.xml
@@ -31,6 +31,7 @@
         android:id="@+id/broadcast_edit_text"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:maxLength="16"
         android:minHeight="48dp"
         android:textAlignment="viewStart"/>
     <TextView