diff --git a/src/Umbraco.Core/Logging/Logger.cs b/src/Umbraco.Core/Logging/Logger.cs
index b39ec95215..0dbfa4719f 100644
--- a/src/Umbraco.Core/Logging/Logger.cs
+++ b/src/Umbraco.Core/Logging/Logger.cs
@@ -8,6 +8,7 @@ using Umbraco.Core.Diagnostics;
 using Serilog;
 using Serilog.Events;
 using Serilog.Formatting.Compact;
+using Umbraco.Core.Logging.SerilogExtensions;
 
 namespace Umbraco.Core.Logging
 {
@@ -43,6 +44,7 @@ namespace Umbraco.Core.Logging
                 .Enrich.WithThreadId()
                 .Enrich.WithProperty("AppDomainId", AppDomain.CurrentDomain.Id)
                 .Enrich.WithProperty("AppDomainAppId", HttpRuntime.AppDomainAppId.ReplaceNonAlphanumericChars(string.Empty))
+                .Enrich.With<Log4NetLevelMapperEnricher>()
 
                 //Main .txt logfile - in similar format to older Log4Net output
                 //Ends with ..txt as Date is inserted before file extension substring
@@ -50,7 +52,7 @@ namespace Umbraco.Core.Logging
                     rollingInterval: RollingInterval.Day,
                     restrictedToMinimumLevel: LogEventLevel.Debug,
                     retainedFileCountLimit: null, //Setting to null means we keep all files - default is 31 days
-                    outputTemplate: "{Timestamp:yyyy-MM-dd HH:mm:ss,fff} [P{ProcessId}/D{AppDomainId}/T{ThreadId}] {Level:u4}  {Message:lj}{NewLine}{Exception}")
+                    outputTemplate: "{Timestamp:yyyy-MM-dd HH:mm:ss,fff} [P{ProcessId}/D{AppDomainId}/T{ThreadId}] {Log4NetLevel}  {Message:lj}{NewLine}{Exception}")
 
                 //.clef format (Compact log event format, that can be imported into local SEQ & will make searching/filtering logs easier)
                 //Ends with ..txt as Date is inserted before file extension substring
diff --git a/src/Umbraco.Core/Logging/SerilogExtensions/Log4NetLevelMapperEnricher.cs b/src/Umbraco.Core/Logging/SerilogExtensions/Log4NetLevelMapperEnricher.cs
new file mode 100644
index 0000000000..ea1027c214
--- /dev/null
+++ b/src/Umbraco.Core/Logging/SerilogExtensions/Log4NetLevelMapperEnricher.cs
@@ -0,0 +1,46 @@
+using Serilog.Core;
+using Serilog.Events;
+
+namespace Umbraco.Core.Logging.SerilogExtensions
+{
+    /// <summary>
+    /// This is used to create a new property in Logs called 'Log4NetLevel'
+    /// So that we can map Serilog levels to Log4Net levels - so log files stay consistent
+    /// </summary>
+    public class Log4NetLevelMapperEnricher : ILogEventEnricher
+    {
+        public void Enrich(LogEvent logEvent, ILogEventPropertyFactory propertyFactory)
+        {
+            var log4NetLevel = string.Empty;
+
+            switch (logEvent.Level)
+            {
+                case LogEventLevel.Debug:
+                    log4NetLevel = "DEBUG";
+                    break;
+
+                case LogEventLevel.Error:
+                    log4NetLevel = "ERROR";
+                    break;
+
+                case LogEventLevel.Fatal:
+                    log4NetLevel = "FATAL";
+                    break;
+
+                case LogEventLevel.Information:
+                    log4NetLevel = "INFO";
+                    break;
+
+                case LogEventLevel.Verbose:
+                    log4NetLevel = "ALL";
+                    break;
+
+                case LogEventLevel.Warning:
+                    log4NetLevel = "WARN";
+                    break;
+            }
+
+            logEvent.AddPropertyIfAbsent(propertyFactory.CreateProperty("Log4NetLevel", log4NetLevel));
+        }
+    }
+}
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index fddf62bdb6..9952ab6b76 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -326,6 +326,7 @@
     <Compile Include="IO\MediaPathSchemes\OriginalMediaPathScheme.cs" />
     <Compile Include="IO\MediaPathSchemes\TwoGuidsMediaPathScheme.cs" />
     <Compile Include="KeyValuePairExtensions.cs" />
+    <Compile Include="Logging\SerilogExtensions\Log4NetLevelMapperEnricher.cs" />
     <Compile Include="Migrations\MigrationBase_Extra.cs" />
     <Compile Include="Migrations\Upgrade\V_7_10_0\RenamePreviewFolder.cs" />
     <Compile Include="Migrations\Upgrade\V_7_12_0\AddRelationTypeForMediaFolderOnDelete.cs" />