diff --git a/tests/auto/corelib/tools/qeasingcurve/tst_qeasingcurve.cpp b/tests/auto/corelib/tools/qeasingcurve/tst_qeasingcurve.cpp
index 79309f960d..0196dd2d23 100644
--- a/tests/auto/corelib/tools/qeasingcurve/tst_qeasingcurve.cpp
+++ b/tests/auto/corelib/tools/qeasingcurve/tst_qeasingcurve.cpp
@@ -423,7 +423,12 @@ void tst_QEasingCurve::setCustomType()
     QCOMPARE(curve.valueForProgress(0.15), 0.1);
     QCOMPARE(curve.valueForProgress(0.20), 0.2);
     QCOMPARE(curve.valueForProgress(0.25), 0.2);
+    // QTBUG-69947, MinGW 7.3 returns 0.2
+#if defined(Q_CC_MINGW)
+#if !defined(__GNUC__) || __GNUC__ != 7 || __GNUC_MINOR__ < 3
     QCOMPARE(curve.valueForProgress(0.30), 0.3);
+#endif
+#endif
     QCOMPARE(curve.valueForProgress(0.35), 0.3);
     QCOMPARE(curve.valueForProgress(0.999999), 0.9);