diff --git a/common.gypi b/common.gypi
index 9587b665a..61c50cfe2 100644
--- a/common.gypi
+++ b/common.gypi
@@ -178,8 +178,8 @@
             'toolkit_uses_gtk%': 0,
           }],
 
-          # Enable HiDPI on Mac OS and Chrome OS.
-          ['OS=="mac" or chromeos==1', {
+          # Enable HiDPI on Mac OS, Chrome OS and Windows.
+          ['OS=="mac" or chromeos==1 or OS=="win"', {
             'enable_hidpi%': 1,
           }],