diff --git a/models/android/xml/Node.h b/models/android/xml/Node.h
index 6730348..0a6807b 100644
--- a/models/android/xml/Node.h
+++ b/models/android/xml/Node.h
@@ -13,7 +13,7 @@ public:
         m_y2 = y2;
     }
 
-    bool isEmpty() {
+    [[nodiscard]] bool isEmpty() const {
         return m_x1 < 0 && m_y1 < 0 && m_x2 < 0 && m_y2 < 0 && text.isEmpty() && className.isEmpty();
     }