diff --git a/Externals/libusb/CMakeLists.txt b/Externals/libusb/CMakeLists.txt
index 84754f1130..c20036d80d 100644
--- a/Externals/libusb/CMakeLists.txt
+++ b/Externals/libusb/CMakeLists.txt
@@ -25,6 +25,7 @@ if(WIN32 OR CYGWIN)
     target_sources(usb PRIVATE
       libusb/os/threads_windows.c
       libusb/os/windows_winusb.c
+      libusb/os/windows_usbdk.c
       libusb/os/windows_nt_common.c
     )
     set(OS_WINDOWS TRUE)