From b11b542722a6156828fc94192fa917d3b7570020 Mon Sep 17 00:00:00 2001
From: Spencer Sherwin <ssherw@unknown-00:88:65:38:04:46.home>
Date: Sun, 9 Mar 2014 17:14:33 +0000
Subject: [PATCH] Bug fix to sort out call to vars[0] when vars not defined

---
 utilities/PostProcessing/FieldConvert/InputFld.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/utilities/PostProcessing/FieldConvert/InputFld.cpp b/utilities/PostProcessing/FieldConvert/InputFld.cpp
index 9fbea4711..152fb829e 100644
--- a/utilities/PostProcessing/FieldConvert/InputFld.cpp
+++ b/utilities/PostProcessing/FieldConvert/InputFld.cpp
@@ -184,7 +184,14 @@ namespace Nektar
                     }
                     else
                     {
-                        m_f->m_exp[i] = m_f->AppendExpList(vars[0]);
+                        if(vars.size())
+                        {
+                            m_f->m_exp[i] = m_f->AppendExpList(vars[0]);
+                        }
+                        else
+                        {
+                            m_f->m_exp[i] = m_f->AppendExpList();
+                        }
                     }                   
                 }
                 
-- 
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