diff --git a/src/plugins/coreplugin/iwelcomepage.cpp b/src/plugins/coreplugin/iwelcomepage.cpp
index 89c13f993c7..5ccf830ae56 100644
--- a/src/plugins/coreplugin/iwelcomepage.cpp
+++ b/src/plugins/coreplugin/iwelcomepage.cpp
@@ -66,6 +66,9 @@ IWelcomePage::~IWelcomePage()
 QPalette WelcomePageFrame::buttonPalette(bool isActive, bool isCursorInside, bool forText)
 {
     QPalette pal;
+    pal.setBrush(QPalette::Window, {});
+    pal.setBrush(QPalette::WindowText, {});
+
     Theme *theme = Utils::creatorTheme();
     if (isActive) {
         if (forText) {
diff --git a/src/plugins/coreplugin/welcomepagehelper.cpp b/src/plugins/coreplugin/welcomepagehelper.cpp
index e5c69d32797..d363fdf6656 100644
--- a/src/plugins/coreplugin/welcomepagehelper.cpp
+++ b/src/plugins/coreplugin/welcomepagehelper.cpp
@@ -81,7 +81,8 @@ QWidget *panelBar(QWidget *parent)
     auto frame = new QWidget(parent);
     frame->setAutoFillBackground(true);
     frame->setMinimumWidth(WelcomePageHelpers::HSpacing);
-    QPalette pal = frame->palette();
+    QPalette pal;
+    pal.setBrush(QPalette::Window, {});
     pal.setColor(QPalette::Window, themeColor(Theme::Welcome_BackgroundPrimaryColor));
     frame->setPalette(pal);
     return frame;