--- old/modules/graphics/src/main/java/com/sun/javafx/font/PrismFontFactory.java	2016-03-28 16:17:29.000000000 -0700
+++ new/modules/graphics/src/main/java/com/sun/javafx/font/PrismFontFactory.java	2016-03-28 16:17:29.000000000 -0700
@@ -1908,7 +1908,7 @@
     public static float getSystemFontSize() {
         if (systemFontSize == -1) {
             if (isWindows) {
-                float uiScale = Screen.getMainScreen().getUIScale();
+                float uiScale = Screen.getMainScreen().getPlatformScaleY();
                 systemFontSize = getSystemFontSizeNative() / uiScale;
             } else if (isMacOSX || isIOS) {
                 systemFontSize = MacFontFinder.getSystemFontSize();