diff --git a/TwitchDownloaderCLI/Modes/Arguments/ChatRenderArgs.cs b/TwitchDownloaderCLI/Modes/Arguments/ChatRenderArgs.cs
index 58667a2a..e87cd8ef 100644
--- a/TwitchDownloaderCLI/Modes/Arguments/ChatRenderArgs.cs
+++ b/TwitchDownloaderCLI/Modes/Arguments/ChatRenderArgs.cs
@@ -106,7 +106,7 @@ internal sealed class ChatRenderArgs : IFileCollisionArgs, ITwitchDownloaderArgs
         public bool AlternateMessageBackgrounds { get; set; }
 
         [Option("readable-colors", Default = true, HelpText = "Increases the contrast of usernames against the background or outline color.")]
-        public bool AdjustUsernameVisibility { get; set; }
+        public bool? AdjustUsernameVisibility { get; set; }
 
         [Option("offline", Default = false, HelpText = "Render completely offline using only embedded emotes, badges, and bits from the input json.")]
         public bool Offline { get; set; }
diff --git a/TwitchDownloaderCLI/Modes/RenderChat.cs b/TwitchDownloaderCLI/Modes/RenderChat.cs
index 35cf7c6c..2a00b91d 100644
--- a/TwitchDownloaderCLI/Modes/RenderChat.cs
+++ b/TwitchDownloaderCLI/Modes/RenderChat.cs
@@ -94,7 +94,7 @@ private static ChatRenderOptions GetRenderOptions(ChatRenderArgs inputOptions, F
                 AccentStrokeScale = inputOptions.ScaleAccentStroke,
                 DisperseCommentOffsets = inputOptions.DisperseCommentOffsets,
                 AlternateMessageBackgrounds = inputOptions.AlternateMessageBackgrounds,
-                AdjustUsernameVisibility = inputOptions.AdjustUsernameVisibility,
+                AdjustUsernameVisibility = (bool)inputOptions.AdjustUsernameVisibility!,
                 FileCollisionCallback = collisionHandler.HandleCollisionCallback,
             };