diff --git a/mingw-w64-headers/include/setupapi.h b/mingw-w64-headers/include/setupapi.h
index c8d1f32..416d15e 100644
--- a/mingw-w64-headers/include/setupapi.h
+++ b/mingw-w64-headers/include/setupapi.h
@@ -1891,6 +1891,10 @@
 #if _WIN32_WINNT >= 0x0600
   WINSETUPAPI WINBOOL WINAPI SetupDiGetDevicePropertyW(HDEVINFO DeviceInfoSet, PSP_DEVINFO_DATA DeviceInfoData, const DEVPROPKEY *PropertyKey, DEVPROPTYPE *PropertyType, PBYTE PropertyBuffer, DWORD PropertyBufferSize, PDWORD RequiredSize, DWORD Flags);
   WINSETUPAPI WINBOOL WINAPI SetupDiGetDevicePropertyKeys(HDEVINFO DeviceInfoSet, PSP_DEVINFO_DATA DeviceInfoData, DEVPROPKEY *PropertyKeyArray, DWORD PropertyKeyCount, PDWORD RequiredPropertyKeyCount, DWORD Flags);
+
+#ifdef UNICODE
+#define SetupDiGetDeviceProperty SetupDiGetDevicePropertyW
+#endif
 #endif
 
 #ifdef __cplusplus