diff --git a/tests/auto/gui/painting/qcolorspace/tst_qcolorspace.cpp b/tests/auto/gui/painting/qcolorspace/tst_qcolorspace.cpp
index 4f366b02db..16ea076934 100644
--- a/tests/auto/gui/painting/qcolorspace/tst_qcolorspace.cpp
+++ b/tests/auto/gui/painting/qcolorspace/tst_qcolorspace.cpp
@@ -263,7 +263,7 @@ void tst_QColorSpace::imageConversion_data()
     QTest::newRow("sRGB -> Display-P3") << QColorSpace::SRgb << QColorSpace::DisplayP3 << 0;
     QTest::newRow("sRGB -> Adobe RGB") << QColorSpace::SRgb << QColorSpace::AdobeRgb << 2;
     QTest::newRow("Adobe RGB -> sRGB") << QColorSpace::AdobeRgb << QColorSpace::SRgb << 2;
-    QTest::newRow("Adobe RGB -> Display-P3") << QColorSpace::AdobeRgb << QColorSpace::DisplayP3 << 2;
+    QTest::newRow("Adobe RGB -> Display-P3") << QColorSpace::AdobeRgb << QColorSpace::DisplayP3 << 4;
     QTest::newRow("Display-P3 -> Adobe RGB") << QColorSpace::DisplayP3 << QColorSpace::AdobeRgb << 2;
     QTest::newRow("Display-P3 -> sRGB") << QColorSpace::DisplayP3 << QColorSpace::SRgb << 0;
     QTest::newRow("sRGB -> sRGB Linear") << QColorSpace::SRgb << QColorSpace::SRgbLinear << 0;