diff --git a/windows/CMakeLists.txt b/windows/CMakeLists.txt
index c8228bc84..d230c703b 100644
--- a/windows/CMakeLists.txt
+++ b/windows/CMakeLists.txt
@@ -22,6 +22,12 @@ target_link_libraries(hidapi_winapi
     PUBLIC hidapi_include
 )
 
+target_compile_definitions(hidapi_winapi
+    # CMake compiles hidapi_descriptor_reconstruct.c as a separate translation unit,
+    # so hid.c must not #include it (to avoid duplicate symbol LNK4006 in static builds).
+    PRIVATE HIDAPI_CMAKE_V0_BUILD
+)
+
 if(NOT BUILD_SHARED_LIBS)
     target_compile_definitions(hidapi_winapi
         # prevent marking functions as __declspec(dllexport) for static library build
diff --git a/windows/hid.c b/windows/hid.c
index 1e27f10a4..705847e0b 100644
--- a/windows/hid.c
+++ b/windows/hid.c
@@ -1607,7 +1607,9 @@ HID_API_EXPORT const wchar_t * HID_API_CALL  hid_error(hid_device *dev)
 	return last_global_error_str;
 }
 
-#ifndef hidapi_winapi_EXPORTS
+#ifndef HIDAPI_CMAKE_V0_BUILD
+/* Include the descriptor reconstruction code when NOT building with CMake.
+   CMake builds compile hidapi_descriptor_reconstruct.c as a separate translation unit. */
 #include "hidapi_descriptor_reconstruct.c"
 #endif