1 files changed, 1 insertions, 0 deletions

diff --git a/src/WixToolset.Core.WindowsInstaller/WixToolsetCoreServiceProviderExtensions.cs b/src/WixToolset.Core.WindowsInstaller/WixToolsetCoreServiceProviderExtensions.cs
index c69f1af1..e013cefb 100644
--- a/src/WixToolset.Core.WindowsInstaller/WixToolsetCoreServiceProviderExtensions.cs
+++ b/src/WixToolset.Core.WindowsInstaller/WixToolsetCoreServiceProviderExtensions.cs
@@ -31,6 +31,7 @@ namespace WixToolset.Core.WindowsInstaller
         {
             // Singletons.
             coreProvider.AddService((provider, singletons) => AddSingleton<IWindowsInstallerBackendHelper>(singletons, new WindowsInstallerBackendHelper()));
+            coreProvider.AddService<IUnbinder>((provider, singletons) => new Unbinder(provider));
         }
 
         private static T AddSingleton<T>(Dictionary<Type, object> singletons, T service) where T : class