diff --git a/ReferenceDataApi/ReferenceDataApi.csproj b/ReferenceDataApi/ReferenceDataApi.csproj
index d8b321c..0ba7035 100644
--- a/ReferenceDataApi/ReferenceDataApi.csproj
+++ b/ReferenceDataApi/ReferenceDataApi.csproj
@@ -20,7 +20,7 @@
-
+
diff --git a/ReferenceDataApi/Startup.cs b/ReferenceDataApi/Startup.cs
index 4593684..52dab05 100644
--- a/ReferenceDataApi/Startup.cs
+++ b/ReferenceDataApi/Startup.cs
@@ -138,6 +138,8 @@ public void ConfigureServices(IServiceCollection services)
services.AddLogCallAspect();
services.ConfigureElasticSearch(Configuration);
services.AddElasticSearchHealthCheck();
+ // Token factory used by the logging middleware core package
+ // to print user email. Hidden, indirect, implicit dependency
services.AddTokenFactory();
RegisterGateways(services);