1 files changed, 1 insertions, 1 deletions

diff --git a/src/WixToolset.Core/WixToolsetServiceProvider.cs b/src/WixToolset.Core/WixToolsetServiceProvider.cs
index d7a6171a..646b21fa 100644
--- a/src/WixToolset.Core/WixToolsetServiceProvider.cs
+++ b/src/WixToolset.Core/WixToolsetServiceProvider.cs
@@ -20,7 +20,7 @@ namespace WixToolset.Core
             // Singletons.
             this.AddService((provider, singletons) => AddSingleton<IExtensionManager>(singletons, new ExtensionManager(provider)));
             this.AddService((provider, singletons) => AddSingleton<IMessaging>(singletons, new Messaging()));
-            this.AddService((provider, singletons) => AddSingleton<ITupleDefinitionCreator>(singletons, new TupleDefinitionCreator(provider)));
+            this.AddService((provider, singletons) => AddSingleton<ISymbolDefinitionCreator>(singletons, new SymbolDefinitionCreator(provider)));
             this.AddService((provider, singletons) => AddSingleton<IParseHelper>(singletons, new ParseHelper(provider)));
             this.AddService((provider, singletons) => AddSingleton<IPreprocessHelper>(singletons, new PreprocessHelper(provider)));
             this.AddService((provider, singletons) => AddSingleton<IBackendHelper>(singletons, new BackendHelper(provider)));