diff --git a/src/Discord.Net.Core/Entities/Interactions/SlashCommands/SlashCommandBuilder.cs b/src/Discord.Net.Core/Entities/Interactions/SlashCommands/SlashCommandBuilder.cs
index 94f5956dd..03fb24c8b 100644
--- a/src/Discord.Net.Core/Entities/Interactions/SlashCommands/SlashCommandBuilder.cs
+++ b/src/Discord.Net.Core/Entities/Interactions/SlashCommands/SlashCommandBuilder.cs
@@ -933,7 +933,7 @@ namespace Discord
 
             EnsureValidCommandOptionName(name);
 
-            _descriptionLocalizations ??= new();
+            _nameLocalizations ??= new();
             _nameLocalizations.Add(locale, name);
 
             return this;