diff --git a/tests/auto/corelib/text/qstringconverter/tst_qstringconverter.cpp b/tests/auto/corelib/text/qstringconverter/tst_qstringconverter.cpp
index ed3f91ac945..342c343a423 100644
--- a/tests/auto/corelib/text/qstringconverter/tst_qstringconverter.cpp
+++ b/tests/auto/corelib/text/qstringconverter/tst_qstringconverter.cpp
@@ -257,7 +257,7 @@ void tst_QStringConverter::invalidConverter()
         QVERIFY(!encoder.hasError());
         char buffer[100];
         char *position = encoder.appendToBuffer(buffer, u"Even more");
-        QCOMPARE(position, buffer);
+        QCOMPARE(position - buffer, 0);
         QVERIFY(encoder.hasError());
     }
 
@@ -283,7 +283,7 @@ void tst_QStringConverter::invalidConverter()
         QVERIFY(!decoder.hasError());
         char16_t buffer[100];
         char16_t *position = decoder.appendToBuffer(buffer, "Even more");
-        QCOMPARE(position, buffer);
+        QCOMPARE(position - buffer, 0);
         QVERIFY(decoder.hasError());
     }
 }