diff --git a/share/qtcreator/welcomescreen/widgets/Button.qml b/share/qtcreator/welcomescreen/widgets/Button.qml
index 75dca22d359..0f5e5c88a38 100644
--- a/share/qtcreator/welcomescreen/widgets/Button.qml
+++ b/share/qtcreator/welcomescreen/widgets/Button.qml
@@ -64,7 +64,7 @@ Button {
                     border.color: (button.checked || button.pressed)
                                   ? creatorTheme.Welcome_ForegroundPrimaryColor
                                   : creatorTheme.Welcome_ForegroundSecondaryColor
-                    radius: (creatorTheme.WidgetStyle === 'StyleFlat') ? 0 : 4
+                    radius: creatorTheme.FlatToolBars ? 0 : 4
                 }
             }
 
diff --git a/share/qtcreator/welcomescreen/widgets/Delegate.qml b/share/qtcreator/welcomescreen/widgets/Delegate.qml
index f3ce5b5b657..6005e203745 100644
--- a/share/qtcreator/welcomescreen/widgets/Delegate.qml
+++ b/share/qtcreator/welcomescreen/widgets/Delegate.qml
@@ -187,7 +187,7 @@ Rectangle {
     Rectangle {
         id: border
         color: "#00000000"
-        radius: creatorTheme.WidgetStyle === 'StyleFlat' ? 0 : 6
+        radius: creatorTheme.FlatToolBars ? 0 : 6
         anchors.rightMargin: 4
         anchors.leftMargin: 4
         anchors.bottomMargin: 4