diff --git a/dlls/user/user32.spec b/dlls/user/user32.spec
index 96497c58725..6ceea02332b 100644
--- a/dlls/user/user32.spec
+++ b/dlls/user/user32.spec
@@ -1,6 +1,6 @@
 name	user32
 type	win32
-init	USER_Init
+init	UserClientDllInitialize
 rsrc	resources/user32.res
 
 import	gdi32.dll
@@ -582,7 +582,7 @@ debug_channels (accel caret class clipboard combo cursor dc dde ddeml dialog dri
 @ stdcall UnregisterHotKey(long long) UnregisterHotKey
 @ stub UpdatePerUserSystemParameters
 @ stdcall UpdateWindow(long) UpdateWindow
-@ stub UserClientDllInitialize
+@ stdcall UserClientDllInitialize(long long ptr) UserClientDllInitialize
 @ stub UserHandleGrantAccess
 @ stdcall UserRealizePalette(long) UserRealizePalette
 @ stub UserRegisterWowHandlers
diff --git a/dlls/user/user_main.c b/dlls/user/user_main.c
index 0b7f6271f9d..c16bb6cc7df 100644
--- a/dlls/user/user_main.c
+++ b/dlls/user/user_main.c
@@ -294,9 +294,11 @@ static void thread_detach(void)
 
 
 /***********************************************************************
- *           USER initialisation routine
+ *           UserClientDllInitialize  (USER32.@)
+ *
+ * USER dll initialisation routine
  */
-BOOL WINAPI USER_Init( HINSTANCE inst, DWORD reason, LPVOID reserved )
+BOOL WINAPI UserClientDllInitialize( HINSTANCE inst, DWORD reason, LPVOID reserved )
 {
     BOOL ret = TRUE;
     switch(reason)