diff --git a/tests/auto/corelib/tools/qstring/tst_qstring.cpp b/tests/auto/corelib/tools/qstring/tst_qstring.cpp
index 97394482b0..dda4c52347 100644
--- a/tests/auto/corelib/tools/qstring/tst_qstring.cpp
+++ b/tests/auto/corelib/tools/qstring/tst_qstring.cpp
@@ -51,6 +51,7 @@
 
 #include <qlocale.h>
 #include <locale.h>
+#include <qhash.h>
 
 Q_DECLARE_METATYPE(qlonglong)
 
@@ -4929,6 +4930,13 @@ void tst_QString::compare()
     QCOMPARE(sign(QStringRef::compare(r1, r2, Qt::CaseSensitive)), csr);
     QCOMPARE(sign(QStringRef::compare(r1, r2, Qt::CaseInsensitive)), cir);
 
+    if (csr == 0) {
+        QVERIFY(qHash(s1) == qHash(s2));
+        QVERIFY(qHash(s1) == qHash(r2));
+        QVERIFY(qHash(r1) == qHash(s2));
+        QVERIFY(qHash(r1) == qHash(r2));
+    }
+
     if (!cir) {
         QCOMPARE(s1.toCaseFolded(), s2.toCaseFolded());
     }