diff --git a/src/gui/kernel/qplatformdialoghelper.cpp b/src/gui/kernel/qplatformdialoghelper.cpp
index c36186b815..5890eb4fb6 100644
--- a/src/gui/kernel/qplatformdialoghelper.cpp
+++ b/src/gui/kernel/qplatformdialoghelper.cpp
@@ -278,7 +278,7 @@ void QColorDialogStaticData::readSettings()
 void QColorDialogStaticData::writeSettings() const
 {
 #ifndef QT_NO_SETTINGS
-    if (!customSet) {
+    if (customSet) {
         QSettings settings(QSettings::UserScope, QStringLiteral("QtProject"));
         for (int i = 0; i < int(CustomColorCount); ++i)
             settings.setValue(QLatin1String("Qt/customColors/") + QString::number(i), customRgb[i]);