diff --git a/tests/auto/corelib/tools/collections/tst_collections.cpp b/tests/auto/corelib/tools/collections/tst_collections.cpp
index 5e3313b474b..1aded0b4409 100644
--- a/tests/auto/corelib/tools/collections/tst_collections.cpp
+++ b/tests/auto/corelib/tools/collections/tst_collections.cpp
@@ -155,7 +155,15 @@ struct Dummy
     bool operator<(const Dummy &) const { return false; }
 };
 
-struct RecursiveList : public QList<RecursiveList> {};
+struct RecursiveList : public QList<RecursiveList>
+{
+    friend bool operator<(const RecursiveList &lhs, const RecursiveList &rhs)
+    {
+        using Base = QList<RecursiveList>;
+        // compare some non-QList members here
+        return static_cast<const Base &>(lhs) < static_cast<const Base &>(rhs);
+    }
+};
 struct RecursiveSet : public QSet<RecursiveSet> {};
 struct RecursiveMapV : public QMap<Dummy, RecursiveMapV> {};
 struct RecursiveMapK : public QMap<RecursiveMapK, Dummy> {};