diff --git a/tests/auto/gui/painting/qcolortransform/tst_qcolortransform.cpp b/tests/auto/gui/painting/qcolortransform/tst_qcolortransform.cpp
index 4d92071c24e..7a976b5f5eb 100644
--- a/tests/auto/gui/painting/qcolortransform/tst_qcolortransform.cpp
+++ b/tests/auto/gui/painting/qcolortransform/tst_qcolortransform.cpp
@@ -182,21 +182,21 @@ void tst_QColorTransform::mapRGBAFP16x4()
     else
         QVERIFY(result != testColor);
 
-    testColor = QRgbaFloat16{0.0f, 0.0f, 0.0f, 1.0f};
+    testColor = QRgbaFloat16{qfloat16(0.0f), qfloat16(0.0f), qfloat16(0.0f), qfloat16(1.0f)};
     result = transform.map(testColor);
     QCOMPARE(result, testColor);
 
-    testColor = QRgbaFloat16{1.0f, 1.0f, 1.0f, 1.0f};
+    testColor = QRgbaFloat16{qfloat16(1.0f), qfloat16(1.0f), qfloat16(1.0f), qfloat16(1.0f)};
     result = transform.map(testColor);
     QCOMPARE(result, testColor);
 
-    testColor = QRgbaFloat16{1.0f, 1.0f, 0.0f, 1.0f};
+    testColor = QRgbaFloat16{qfloat16(1.0f), qfloat16(1.0f), qfloat16(1.0f), qfloat16(1.0f)};
     result = transform.map(testColor);
     QCOMPARE(result.alpha(), 1.0f);
     if (sharesRed)
         QCOMPARE(result.red(), 1.0f);
 
-    testColor = QRgbaFloat16{0.0f, 1.0f, 1.0f, 1.0f};
+    testColor = QRgbaFloat16{qfloat16(0.0f), qfloat16(1.0f), qfloat16(1.0f), qfloat16(1.0f)};
     result = transform.map(testColor);
     // QRgbaFloat16 might overflow blue if we convert to a smaller gamut:
     QCOMPARE(result.blue16(), 65535);
diff --git a/tests/auto/gui/rhi/qrhi/tst_qrhi.cpp b/tests/auto/gui/rhi/qrhi/tst_qrhi.cpp
index 83a4d684768..8271ee6dddf 100644
--- a/tests/auto/gui/rhi/qrhi/tst_qrhi.cpp
+++ b/tests/auto/gui/rhi/qrhi/tst_qrhi.cpp
@@ -6814,9 +6814,9 @@ void tst_QRhi::halfPrecisionAttributes()
     // To avoid these errors, we pad the vertices to 8 byte stride.
     //
     static const qfloat16 vertices[] = {
-        -1.0, -1.0, 0.0, 0.0,
-        1.0, -1.0, 0.0, 0.0,
-        0.0, 1.0, 0.0, 0.0,
+        qfloat16(-1.0), qfloat16(-1.0), qfloat16(0.0), qfloat16(0.0),
+        qfloat16(1.0), qfloat16(-1.0), qfloat16(0.0), qfloat16(0.0),
+        qfloat16(0.0), qfloat16(1.0), qfloat16(0.0), qfloat16(0.0),
     };
 
     QScopedPointer<QRhiBuffer> vbuf(rhi->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::VertexBuffer, sizeof(vertices)));