diff --git a/src/Microsoft.AspNetCore.Mvc.Core/Internal/MvcCoreLoggerExtensions.cs b/src/Microsoft.AspNetCore.Mvc.Core/Internal/MvcCoreLoggerExtensions.cs
index 86b09bdcb6..241e4c92e9 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/Internal/MvcCoreLoggerExtensions.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Core/Internal/MvcCoreLoggerExtensions.cs
@@ -182,7 +182,7 @@ namespace Microsoft.AspNetCore.Mvc.Internal
             _objectResultExecuting = LoggerMessage.Define<string>(
                 LogLevel.Information,
                 1,
-                "Executing ObjectResult, writing value {Value}.");
+                "Executing ObjectResult, writing value of type '{Type}'.");
 
             _formatterSelected = LoggerMessage.Define<IOutputFormatter, string>(
                 LogLevel.Debug,
@@ -447,7 +447,8 @@ namespace Microsoft.AspNetCore.Mvc.Internal
         {
             if (logger.IsEnabled(LogLevel.Information))
             {
-                _objectResultExecuting(logger, Convert.ToString(value), null);
+                var type = value == null ? "null" : value.GetType().FullName;
+                _objectResultExecuting(logger, type, null);
             }
         }
 
diff --git a/src/Microsoft.AspNetCore.Mvc.Formatters.Json/Internal/MvcJsonLoggerExtensions.cs b/src/Microsoft.AspNetCore.Mvc.Formatters.Json/Internal/MvcJsonLoggerExtensions.cs
index 9710dc2955..c06d819865 100644
--- a/src/Microsoft.AspNetCore.Mvc.Formatters.Json/Internal/MvcJsonLoggerExtensions.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Formatters.Json/Internal/MvcJsonLoggerExtensions.cs
@@ -22,7 +22,7 @@ namespace Microsoft.AspNetCore.Mvc.Formatters.Json.Internal
             _jsonResultExecuting = LoggerMessage.Define<string>(
                 LogLevel.Information,
                 1,
-                "Executing JsonResult, writing value type {Value}.");
+                "Executing JsonResult, writing value of type '{Type}'.");
         }
 
         public static void JsonInputException(this ILogger logger, Exception exception)
@@ -32,8 +32,8 @@ namespace Microsoft.AspNetCore.Mvc.Formatters.Json.Internal
 
         public static void JsonResultExecuting(this ILogger logger, object value)
         {
-            var stringValue = value == null ? "null" : Convert.ToString(value.GetType());
-            _jsonResultExecuting(logger, stringValue, null);
+            var type = value == null ? "null" : value.GetType().FullName;
+            _jsonResultExecuting(logger, type, null);
         }
     }
 }
diff --git a/test/Microsoft.AspNetCore.Mvc.Formatters.Json.Test/Internal/JsonResultExecutorTest.cs b/test/Microsoft.AspNetCore.Mvc.Formatters.Json.Test/Internal/JsonResultExecutorTest.cs
index df0a805fa0..77c9a609fb 100644
--- a/test/Microsoft.AspNetCore.Mvc.Formatters.Json.Test/Internal/JsonResultExecutorTest.cs
+++ b/test/Microsoft.AspNetCore.Mvc.Formatters.Json.Test/Internal/JsonResultExecutorTest.cs
@@ -186,7 +186,7 @@ namespace Microsoft.AspNetCore.Mvc.Formatters.Json.Internal
         public async Task ExecuteAsync_NonNullResult_LogsResultType()
         {
             // Arrange
-            var expected = "Executing JsonResult, writing value type System.String.";
+            var expected = "Executing JsonResult, writing value of type 'System.String'.";
             var context = GetActionContext();
             var logger = new StubLogger();
             var executer = CreateExcutor(logger);
@@ -203,7 +203,7 @@ namespace Microsoft.AspNetCore.Mvc.Formatters.Json.Internal
         public async Task ExecuteAsync_NullResult_LogsNull()
         {
             // Arrange
-            var expected = "Executing JsonResult, writing value type null.";
+            var expected = "Executing JsonResult, writing value of type 'null'.";
             var context = GetActionContext();
             var logger = new StubLogger();
             var executer = CreateExcutor(logger);