From 58b3ed7c4397f742283c37400a9284cfb0b10ddc Mon Sep 17 00:00:00 2001
From: heckflosse <heckflosse67@gmx.de>
Date: Sat, 27 May 2017 14:12:48 +0200
Subject: [PATCH] rawtherapee-cli (5.1) crashing with -t option. Fixes #3891

---
 rtgui/main-cli.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtgui/main-cli.cc b/rtgui/main-cli.cc
index 2d5efddb1..2a2afca63 100644
--- a/rtgui/main-cli.cc
+++ b/rtgui/main-cli.cc
@@ -425,7 +425,7 @@ int processLineParams( int argc, char **argv )
 
             case 't':
                 outputType = "tif";
-                compression = ((currParam.at(2) != 'z') ? 0 : 1);
+                compression = ((currParam.size() < 3 || currParam.at(2) != 'z') ? 0 : 1);
                 break;
 
             case 'n':