4 files changed, 9 insertions, 5 deletions

diff --git a/src/WixToolset.Core.Burn/Bind/BindBundleCommand.cs b/src/WixToolset.Core.Burn/Bind/BindBundleCommand.cs
index c9917073..989a1b65 100644
--- a/src/WixToolset.Core.Burn/Bind/BindBundleCommand.cs
+++ b/src/WixToolset.Core.Burn/Bind/BindBundleCommand.cs
@@ -262,7 +262,7 @@ namespace WixToolset.Core.Burn
 
                     foreach (var payload in packagePayloads)
                     {
-                        facade.PackageTuple.Size += payload.FileSize;
+                        facade.PackageTuple.Size += payload.FileSize.Value;
                     }
 
                     if (!facade.PackageTuple.InstallSize.HasValue)
diff --git a/src/WixToolset.Core.Burn/Bundles/CreateBootstrapperApplicationManifestCommand.cs b/src/WixToolset.Core.Burn/Bundles/CreateBootstrapperApplicationManifestCommand.cs
index 5ef75b3e..231be7a5 100644
--- a/src/WixToolset.Core.Burn/Bundles/CreateBootstrapperApplicationManifestCommand.cs
+++ b/src/WixToolset.Core.Burn/Bundles/CreateBootstrapperApplicationManifestCommand.cs
@@ -230,7 +230,7 @@ namespace WixToolset.Core.Burn.Bundles
                 }
 
                 writer.WriteAttributeString("Name", payloadTuple.Name);
-                writer.WriteAttributeString("Size", payloadTuple.FileSize.ToString(CultureInfo.InvariantCulture));
+                writer.WriteAttributeString("Size", payloadTuple.FileSize.Value.ToString(CultureInfo.InvariantCulture));
 
                 if (!String.IsNullOrEmpty(payloadTuple.DownloadUrl))
                 {
diff --git a/src/WixToolset.Core.Burn/Bundles/CreateBurnManifestCommand.cs b/src/WixToolset.Core.Burn/Bundles/CreateBurnManifestCommand.cs
index 58133d38..205bd1f8 100644
--- a/src/WixToolset.Core.Burn/Bundles/CreateBurnManifestCommand.cs
+++ b/src/WixToolset.Core.Burn/Bundles/CreateBurnManifestCommand.cs
@@ -640,7 +640,7 @@ namespace WixToolset.Core.Burn.Bundles
         private void WriteBurnManifestContainerAttributes(XmlTextWriter writer, string executableName, WixBundleContainerTuple container)
         {
             writer.WriteAttributeString("Id", container.Id.Id);
-            writer.WriteAttributeString("FileSize", container.Size.ToString(CultureInfo.InvariantCulture));
+            writer.WriteAttributeString("FileSize", container.Size.Value.ToString(CultureInfo.InvariantCulture));
             writer.WriteAttributeString("Hash", container.Hash);
 
             if (ContainerType.Detached == container.Type)
@@ -665,7 +665,7 @@ namespace WixToolset.Core.Burn.Bundles
                 }
 
                 writer.WriteAttributeString("FilePath", executableName); // attached containers use the name of the bundle since they are attached to the executable.
-                writer.WriteAttributeString("AttachedIndex", container.AttachedContainerIndex.ToString(CultureInfo.InvariantCulture));
+                writer.WriteAttributeString("AttachedIndex", container.AttachedContainerIndex.Value.ToString(CultureInfo.InvariantCulture));
                 writer.WriteAttributeString("Attached", "yes");
                 writer.WriteAttributeString("Primary", "yes");
             }
@@ -677,7 +677,7 @@ namespace WixToolset.Core.Burn.Bundles
 
             writer.WriteAttributeString("Id", payload.Id.Id);
             writer.WriteAttributeString("FilePath", payload.Name);
-            writer.WriteAttributeString("FileSize", payload.FileSize.ToString(CultureInfo.InvariantCulture));
+            writer.WriteAttributeString("FileSize", payload.FileSize.Value.ToString(CultureInfo.InvariantCulture));
             writer.WriteAttributeString("Hash", payload.Hash);
 
             if (payload.LayoutOnly)
diff --git a/src/WixToolset.Core.Burn/Bundles/ProcessPayloadsCommand.cs b/src/WixToolset.Core.Burn/Bundles/ProcessPayloadsCommand.cs
index 99e361aa..d0c1fdfc 100644
--- a/src/WixToolset.Core.Burn/Bundles/ProcessPayloadsCommand.cs
+++ b/src/WixToolset.Core.Burn/Bundles/ProcessPayloadsCommand.cs
@@ -150,6 +150,10 @@ namespace WixToolset.Core.Burn.Bundles
                     }
                 }
             }
+            else
+            {
+                payload.FileSize = 0;
+            }
         }
 
         private void UpdatePayloadVersionInformation(WixBundlePayloadTuple payload, IntermediateFieldPathValue sourceFile)