1 files changed, 1 insertions, 1 deletions
diff --git a/MediaBrowser.Model/Extensions/StringHelper.cs b/MediaBrowser.Model/Extensions/StringHelper.cs
index 78e23e767..75ba12a17 100644
--- a/MediaBrowser.Model/Extensions/StringHelper.cs
+++ b/MediaBrowser.Model/Extensions/StringHelper.cs
@@ -51,7 +51,7 @@ namespace MediaBrowser.Model.Extensions
 
         public static string FirstToUpper(this string str)
         {
-            return string.IsNullOrEmpty(str) ? "" : str.Substring(0, 1).ToUpper() + str.Substring(1);
+            return string.IsNullOrEmpty(str) ? string.Empty : str.Substring(0, 1).ToUpperInvariant() + str.Substring(1);
         }
     }
 }