diff --git a/src/gui/painting/qtransform.cpp b/src/gui/painting/qtransform.cpp
index bfb0e6f4ec1..34dd425fef3 100644
--- a/src/gui/painting/qtransform.cpp
+++ b/src/gui/painting/qtransform.cpp
@@ -2046,7 +2046,7 @@ QTransform::TransformationType QTransform::type() const
     case TxShear:
     case TxRotate:
         if (!qFuzzyIsNull(m_matrix[0][1]) || !qFuzzyIsNull(m_matrix[1][0])) {
-            const qreal dot = m_matrix[0][0] * m_matrix[0][1] + m_matrix[1][0] * m_matrix[1][1];
+            const qreal dot = m_matrix[0][0] * m_matrix[1][0] + m_matrix[0][1] * m_matrix[1][1];
             if (qFuzzyIsNull(dot))
                 m_type = TxRotate;
             else
diff --git a/tests/auto/gui/painting/qtransform/tst_qtransform.cpp b/tests/auto/gui/painting/qtransform/tst_qtransform.cpp
index 2dcb564e2ba..a3ff1b0081d 100644
--- a/tests/auto/gui/painting/qtransform/tst_qtransform.cpp
+++ b/tests/auto/gui/painting/qtransform/tst_qtransform.cpp
@@ -384,8 +384,9 @@ void tst_QTransform::types()
     QCOMPARE(m1.inverted().type(), QTransform::TxScale);
 
     m1.rotate(45.0f);
-    QCOMPARE(m1.type(), QTransform::TxRotate);
-    QCOMPARE(m1.inverted().type(), QTransform::TxRotate);
+    // Rotation after non-uniform scaling -> shearing. Uniform scale + rotate tested below.
+    QCOMPARE(m1.type(), QTransform::TxShear);
+    QCOMPARE(m1.inverted().type(), QTransform::TxShear);
 
     m1.shear(0.5f, 0.25f);
     QCOMPARE(m1.type(), QTransform::TxShear);