From d524a7715377c5ba7d9b3f308c38b2392b1b174e Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Tue, 28 Aug 2018 19:48:01 -0400
Subject: [PATCH] ...

---
 MagickCore/option.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MagickCore/option.c b/MagickCore/option.c
index 3beca317d..41c5bad21 100644
--- a/MagickCore/option.c
+++ b/MagickCore/option.c
@@ -2485,7 +2485,7 @@ MagickExport ssize_t GetCommandOptionFlags(const CommandOption option,
         command_info=option_info+i;
       }
     if (command_info->mnemonic == (const char *) NULL)
-      return(-1);
+      return(UndefinedOptionFlag);
     if (negate != MagickFalse)
       option_types=option_types &~ command_info->flags;
     else
-- 
2.40.0