From 58b8be53fd966e3d475362912477a422f5b5aa11 Mon Sep 17 00:00:00 2001
From: Rob Mensching <rob@firegiant.com>
Date: Wed, 27 Dec 2017 22:58:19 -0800
Subject: Correctly join command line arguments and other small clean up and
 optimizations

---
 src/WixToolset.Core/Librarian.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/WixToolset.Core/Librarian.cs')

diff --git a/src/WixToolset.Core/Librarian.cs b/src/WixToolset.Core/Librarian.cs
index 3e843070..f4191e86 100644
--- a/src/WixToolset.Core/Librarian.cs
+++ b/src/WixToolset.Core/Librarian.cs
@@ -143,7 +143,7 @@ namespace WixToolset.Core
 
                 foreach (var tuple in sections.SelectMany(s => s.Tuples))
                 {
-                    foreach (var field in tuple.Fields.Where(f => f.Type == IntermediateFieldType.Path))
+                    foreach (var field in tuple.Fields.Where(f => f?.Type == IntermediateFieldType.Path))
                     {
                         var pathField = field.AsPath();
 
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