diff --git a/reactos/dll/win32/user32/user32.def b/reactos/dll/win32/user32/user32.def
index c4a547e54ed..342cbffdfcd 100644
--- a/reactos/dll/win32/user32/user32.def
+++ b/reactos/dll/win32/user32/user32.def
@@ -705,6 +705,7 @@ UnregisterHotKey@8=NtUserUnregisterHotKey@8
 UnregisterMessagePumpHook@0
 UnregisterUserApiHook@0
 UpdateLayeredWindow@36=NtUserUpdateLayeredWindow@36
+UpdateLayeredWindowIndirect@8
 UpdatePerUserSystemParameters@8
 UpdateWindow@4
 User32InitializeImmEntryTable@4
diff --git a/reactos/subsystems/win32/win32k/include/dce.h b/reactos/subsystems/win32/win32k/include/dce.h
index 5347483dcc7..c1ef15bb3e8 100644
--- a/reactos/subsystems/win32/win32k/include/dce.h
+++ b/reactos/subsystems/win32/win32k/include/dce.h
@@ -39,7 +39,8 @@ typedef struct tagDCE
 #define DCX_DCEEMPTY		0x00000800
 #define DCX_DCEBUSY		0x00001000
 #define DCX_DCEDIRTY		0x00002000
-#define DCX_DCPOWNED            0x00008000
+#define DCX_LAYEREDWIN		0x00004000
+#define DCX_DCPOWNED		0x00008000
 #define DCX_USESTYLE		0x00010000
 #define DCX_KEEPCLIPRGN		0x00040000
 #define DCX_NOCLIPCHILDREN	0x00080000