diff --git a/libs/image/tests/kis_pattern_test.cpp b/libs/image/tests/kis_pattern_test.cpp
index ef69c1ea37..ee14d32c5b 100644
--- a/libs/image/tests/kis_pattern_test.cpp
+++ b/libs/image/tests/kis_pattern_test.cpp
@@ -1,73 +1,80 @@
 /*
  *  Copyright (c) 2007 Boudewijn Rempt boud@valdyas.org
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "kis_pattern_test.h"
 
 #include <QTest>
 #include <resources/KoPattern.h>
 
 #include <QCryptographicHash>
 #include <QByteArray>
 
 #include <kis_debug.h>
 
 void KoPatternTest::testCreation()
 {
     KoPattern test(QString(FILES_DATA_DIR) + QDir::separator() + "pattern.pat");
 }
 
 void KoPatternTest::testRoundTripMd5()
 {
     QString filename(QString(FILES_DATA_DIR) + QDir::separator() + "test_pattern.png");
     QString patFilename("test_pattern.pat");
 
     KoPattern pngPattern(filename);
     QVERIFY(pngPattern.load());
 
     dbgKrita << "PNG Name:" << pngPattern.name();
     dbgKrita << "PNG Filename:" << pngPattern.filename();
 
     pngPattern.setFilename(patFilename);
     pngPattern.save();
 
     KoPattern patPattern(patFilename);
     QVERIFY(patPattern.load());
 
     dbgKrita << "PAT Name:" << patPattern.name();
     dbgKrita << "PAT Filename:" << patPattern.filename();
 
     dbgKrita << pngPattern.pattern().format();
     dbgKrita << patPattern.pattern().format();
 
     QCOMPARE(pngPattern.pattern().convertToFormat(QImage::Format_ARGB32), patPattern.pattern().convertToFormat(QImage::Format_ARGB32));
     QImage im1 = pngPattern.pattern().convertToFormat(QImage::Format_ARGB32);
     QImage im2 = patPattern.pattern().convertToFormat(QImage::Format_ARGB32);
 
     QCryptographicHash h1(QCryptographicHash::Md5);
+#if QT_VERSION >= QT_VERSION_CHECK(5,10,0)
+    h1.addData(QByteArray::fromRawData((const char*)im1.constBits(), im1.sizeInBytes()));
+#else
     h1.addData(QByteArray::fromRawData((const char*)im1.constBits(), im1.byteCount()));
-
+#endif
     QCryptographicHash h2(QCryptographicHash::Md5);
+#if QT_VERSION >= QT_VERSION_CHECK(5,10,0)
+    h2.addData(QByteArray::fromRawData((const char*)im2.constBits(), im2.sizeInBytes()));
+#else
     h2.addData(QByteArray::fromRawData((const char*)im2.constBits(), im2.byteCount()));
+#endif
 
     QCOMPARE(h1.result(), h2.result());
     QCOMPARE(im1, im2);
     QCOMPARE(pngPattern.md5(), patPattern.md5());
 }
 
 
 QTEST_MAIN(KoPatternTest)