diff --git a/Emby.Server.Implementations/Library/UserManager.cs b/Emby.Server.Implementations/Library/UserManager.cs
index 656eeb145..fcf3ccede 100644
--- a/Emby.Server.Implementations/Library/UserManager.cs
+++ b/Emby.Server.Implementations/Library/UserManager.cs
@@ -667,7 +667,7 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentException("Invalid username", nameof(newName));
             }
 
-            if (user.Name.Equals(newName, StringComparison.OrdinalIgnoreCase))
+            if (user.Name.Equals(newName, StringComparison.Ordinal))
             {
                 throw new ArgumentException("The new and old names must be different.");
             }