diff --git a/editor/cmake/Vstgui.cmake b/editor/cmake/Vstgui.cmake
index 4890d11de..56e32ffb6 100644
--- a/editor/cmake/Vstgui.cmake
+++ b/editor/cmake/Vstgui.cmake
@@ -204,6 +204,8 @@ endif()
 if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
     # higher C++ requirement on Windows
     set_property(TARGET sfizz-vstgui PROPERTY CXX_STANDARD 14)
+    # Windows 10 RS2 DDI for custom fonts
+    target_compile_definitions(sfizz-vstgui PRIVATE "NTDDI_VERSION=0x0A000003")
     # disable custom fonts while dwrite3 API is unavailable in MinGW
     if(MINGW)
         target_compile_definitions(sfizz-vstgui PRIVATE "VSTGUI_WIN32_CUSTOMFONT_SUPPORT=0")