diff --git a/src/NzbDrone.Api/Frontend/Mappers/StaticResourceMapperBase.cs b/src/NzbDrone.Api/Frontend/Mappers/StaticResourceMapperBase.cs
index 5d4b57d50..6f7088832 100644
--- a/src/NzbDrone.Api/Frontend/Mappers/StaticResourceMapperBase.cs
+++ b/src/NzbDrone.Api/Frontend/Mappers/StaticResourceMapperBase.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.IO;
 using NLog;
 using Nancy;
@@ -21,10 +21,7 @@ namespace NzbDrone.Api.Frontend.Mappers
             _diskProvider = diskProvider;
             _logger = logger;
 
-            if (!RuntimeInfo.IsProduction)
-            {
-                _caseSensitive = StringComparison.OrdinalIgnoreCase;
-            }
+            _caseSensitive = RuntimeInfo.IsProduction ? DiskProviderBase.PathStringComparison : StringComparison.OrdinalIgnoreCase;
         }
 
         public abstract string Map(string resourceUrl);
@@ -50,6 +47,5 @@ namespace NzbDrone.Api.Frontend.Mappers
         {
             return File.OpenRead(filePath);
         }
-
     }
-}
\ No newline at end of file
+}