1 files changed, 4 insertions, 2 deletions
diff --git a/otherlibs/win32unix/shutdown.c b/otherlibs/win32unix/shutdown.c
index 914a54247..313ab5e31 100644
--- a/otherlibs/win32unix/shutdown.c
+++ b/otherlibs/win32unix/shutdown.c
@@ -22,8 +22,10 @@ static int shutdown_command_table[] = {
 value unix_shutdown(sock, cmd)   /* ML */
      value sock, cmd;
 {
-  if (shutdown((SOCKET) _get_osfhandle(Int_val(sock)),
-               shutdown_command_table[Int_val(cmd)]) == -1)
+  if (shutdown((SOCKET) Handle_val(sock),
+               shutdown_command_table[Int_val(cmd)]) == -1) {
+    _dosmaperr(WSAGetLastError());
     uerror("shutdown", Nothing);
+  }
   return Val_unit;
 }