diff --git a/src/NzbDrone.Host/Owin/NlogTextWriter.cs b/src/NzbDrone.Host/Owin/NlogTextWriter.cs
index 92154a0c7..b9f3ce62f 100644
--- a/src/NzbDrone.Host/Owin/NlogTextWriter.cs
+++ b/src/NzbDrone.Host/Owin/NlogTextWriter.cs
@@ -42,7 +42,7 @@ namespace NzbDrone.Host.Owin
 
         private LogLevel GetLogLevel(string value)
         {
-            var lower = value;
+            var lower = value.ToLowerInvariant();
 
             if (!lower.Contains("error"))
             {