diff --git a/test/Microsoft.AspNetCore.DataProtection.Test/StringLoggerFactory.cs b/test/Microsoft.AspNetCore.DataProtection.Test/StringLoggerFactory.cs
index c15cc1ac9d..f36f0c2af8 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Test/StringLoggerFactory.cs
+++ b/test/Microsoft.AspNetCore.DataProtection.Test/StringLoggerFactory.cs
@@ -59,7 +59,7 @@ namespace Microsoft.AspNetCore.DataProtection
                 return (logLevel >= _factory.MinimumLevel);
             }
 
-            public void Log(LogLevel logLevel, int eventId, object state, Exception exception, Func<object, Exception, string> formatter)
+            public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
             {
                 string message = String.Format(CultureInfo.InvariantCulture,
                     "Provider: {0}" + Environment.NewLine +