diff --git a/dlls/msvcr90/msvcr90.spec b/dlls/msvcr90/msvcr90.spec
index 6856d17..7976a0f 100644
--- a/dlls/msvcr90/msvcr90.spec
+++ b/dlls/msvcr90/msvcr90.spec
@@ -1124,7 +1124,7 @@
 @ cdecl _waccess(wstr long) msvcrt._waccess
 @ cdecl _waccess_s(wstr long) msvcrt._waccess_s
 @ cdecl _wasctime(ptr) msvcrt._wasctime
-@ stub _wasctime_s
+@ cdecl _wasctime_s(ptr long ptr) msvcrt._wasctime_s
 @ cdecl _wassert(wstr wstr long) msvcrt._wassert
 @ cdecl _wchdir(wstr) msvcrt._wchdir
 @ cdecl _wchmod(wstr long) msvcrt._wchmod