diff --git a/rostests/apitests/w32kdll/w32kdll_ros/w32kdll_ros.def b/rostests/apitests/w32kdll/w32kdll_ros/w32kdll_ros.def
index bcb96025bea..490e9d3588b 100644
--- a/rostests/apitests/w32kdll/w32kdll_ros/w32kdll_ros.def
+++ b/rostests/apitests/w32kdll/w32kdll_ros/w32kdll_ros.def
@@ -497,7 +497,7 @@ NtUserRealInternalGetMessage@24
 NtUserRealWaitMessageEx@8
 NtUserRedrawWindow@16
 NtUserRegisterClassExWOW@28
-NtUserRegisterUserApiHook@8
+NtUserRegisterUserApiHook@16
 NtUserRegisterHotKey@16
 NtUserRegisterRawInputDevices@12
 NtUserRegisterTasklist@4