diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index cd2fe5bc10f..7ac4b3546ef 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -3834,7 +3834,9 @@ bool QImage::operator==(const QImage & i) const
         return false;
 
     // obviously different stuff?
-    if (i.d->height != d->height || i.d->width != d->width || i.d->format != d->format)
+    if (i.d->height != d->height || i.d->width != d->width)
+        return false;
+    if (i.d->format != d->format || i.d->colorSpace != d->colorSpace)
         return false;
 
     if (d->format != Format_RGB32) {
diff --git a/src/gui/painting/qcolorspace.cpp b/src/gui/painting/qcolorspace.cpp
index 3c336c9fe7f..d058505e68d 100644
--- a/src/gui/painting/qcolorspace.cpp
+++ b/src/gui/painting/qcolorspace.cpp
@@ -651,7 +651,7 @@ bool operator==(const QColorSpace &colorSpace1, const QColorSpace &colorSpace2)
         if (colorSpace1.transferFunction() != colorSpace2.transferFunction())
             return false;
         if (colorSpace1.transferFunction() == QColorSpace::TransferFunction::Gamma)
-            return colorSpace1.gamma() == colorSpace2.gamma();
+            return (qAbs(colorSpace1.gamma() - colorSpace2.gamma()) <= (1.0f / 512.0f));
         return true;
     }
 
diff --git a/tests/auto/gui/image/qimage/tst_qimage.cpp b/tests/auto/gui/image/qimage/tst_qimage.cpp
index 441ec17412f..e007a154195 100644
--- a/tests/auto/gui/image/qimage/tst_qimage.cpp
+++ b/tests/auto/gui/image/qimage/tst_qimage.cpp
@@ -232,6 +232,8 @@ private slots:
 
     void wideImage();
 
+    void colorspaceEquality();
+
 #if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
     void toWinHBITMAP_data();
     void toWinHBITMAP();
@@ -3618,6 +3620,22 @@ void tst_QImage::wideImage()
     // Qt6: Test that it actually works on 64bit architectures.
 }
 
+void tst_QImage::colorspaceEquality()
+{
+    QImage image1(10, 10, QImage::Format_RGB32);
+    image1.fill(Qt::red);
+    QImage image2(image1);
+    QCOMPARE(image1, image2);
+    image1.setColorSpace(QColorSpace::SRgbLinear);
+    QVERIFY(image1 != image2);
+    image2.setColorSpace(QColorSpace::SRgbLinear);
+    QVERIFY(image1 == image2);
+    image1.setColorSpace(QColorSpace(QColorSpace::Gamut::DciP3D65, QColorSpace::TransferFunction::Gamma, 2.2f));
+    QVERIFY(image1 != image2);
+    image2.setColorSpace(QColorSpace(QColorSpace::Gamut::DciP3D65, QColorSpace::TransferFunction::Gamma, 2.2001f));
+    QVERIFY(image1 == image2);
+}
+
 #if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
 QT_BEGIN_NAMESPACE
 Q_GUI_EXPORT HBITMAP qt_imageToWinHBITMAP(const QImage &p, int hbitmapFormat = 0);