diff --git a/reactos/w32api/include/winerror.h b/reactos/w32api/include/winerror.h
index 8d5b5f79b85..0ff2573a11b 100644
--- a/reactos/w32api/include/winerror.h
+++ b/reactos/w32api/include/winerror.h
@@ -2198,6 +2198,7 @@
 #define RPC_E_CANTCALLOUT_ININPUTSYNCCALL ((HRESULT)0x8001010DL)
 #define RPC_E_WRONG_THREAD ((HRESULT)0x8001010EL)
 #define RPC_E_THREAD_NOT_INIT ((HRESULT)0x8001010FL)
+#define RPC_E_INVALID_OBJREF ((HRESULT)0x8001011DL)
 #define RPC_E_UNEXPECTED ((HRESULT)0x8001FFFFL)
 
 #define NTE_BAD_UID ((HRESULT)0x80090001L)