diff --git a/dlls/kerberos/krb5_ap.c b/dlls/kerberos/krb5_ap.c
index 70895c999a8..3827e5ccbc1 100644
--- a/dlls/kerberos/krb5_ap.c
+++ b/dlls/kerberos/krb5_ap.c
@@ -751,12 +751,11 @@ static void trace_gss_status( OM_uint32 major_status, OM_uint32 minor_status )
 
 static void expirytime_gss_to_sspi( OM_uint32 expirytime, TimeStamp *timestamp )
 {
-    SYSTEMTIME time;
     FILETIME filetime;
     ULARGE_INTEGER tmp;
 
-    GetLocalTime( &time );
-    SystemTimeToFileTime( &time, &filetime );
+    GetSystemTimeAsFileTime( &filetime );
+    FileTimeToLocalFileTime( &filetime, &filetime );
     tmp.QuadPart = ((ULONGLONG)filetime.dwLowDateTime | (ULONGLONG)filetime.dwHighDateTime << 32) + expirytime;
     timestamp->LowPart  = tmp.QuadPart;
     timestamp->HighPart = tmp.QuadPart >> 32;