2 files changed, 3 insertions, 1 deletions

diff --git a/src/wixext/VSCompiler.cs b/src/wixext/VSCompiler.cs
index 17b7f7a0..ebf7fa59 100644
--- a/src/wixext/VSCompiler.cs
+++ b/src/wixext/VSCompiler.cs
@@ -6,6 +6,7 @@ namespace WixToolset.VisualStudio
     using System.Collections.Generic;
     using System.Xml.Linq;
     using WixToolset.Data;
+    using WixToolset.Data.WindowsInstaller;
     using WixToolset.Extensibility;
 
     /// <summary>
diff --git a/src/wixext/VSWindowsInstallerBackendExtension.cs b/src/wixext/VSWindowsInstallerBackendExtension.cs
index 12473b04..38d350cf 100644
--- a/src/wixext/VSWindowsInstallerBackendExtension.cs
+++ b/src/wixext/VSWindowsInstallerBackendExtension.cs
@@ -2,6 +2,7 @@
 
 namespace WixToolset.VisualStudio
 {
+    using System.Collections.Generic;
     using WixToolset.Data.WindowsInstaller;
     using WixToolset.Extensibility;
 
@@ -70,6 +71,6 @@ namespace WixToolset.VisualStudio
             ),
         };
 
-        protected override TableDefinition[] TableDefinitionsForTuples => Tables;
+        public override IEnumerable<TableDefinition> TableDefinitions => Tables;
     }
 }