diff --git a/CMakeLists.txt b/CMakeLists.txt
index a5763c9..2108bde 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ set(USBSIO_SRCS
 )
 
 if(WIN32 OR CYGWIN)
-    set(USBSIO_HIDAPI_SRCS "src/hid_api/win/hid.c")
+    set(USBSIO_HIDAPI_SRCS "src/hid_api/windows/hid.c")
     set(USBSIO_LIBRARIES
         "setupapi"
     )