diff --git a/src/Discord.Net.Core/Entities/Interactions/MessageComponents/ComponentBuilder.cs b/src/Discord.Net.Core/Entities/Interactions/MessageComponents/ComponentBuilder.cs
index a10a58c3..5c4738ac 100644
--- a/src/Discord.Net.Core/Entities/Interactions/MessageComponents/ComponentBuilder.cs
+++ b/src/Discord.Net.Core/Entities/Interactions/MessageComponents/ComponentBuilder.cs
@@ -1103,7 +1103,7 @@ namespace Discord
         /// </returns>
         public SelectMenuBuilder WithDefaultValues(params SelectMenuDefaultValue[] defaultValues)
         {
-            DefaultValues = defaultValues.ToList();
+            DefaultValues = defaultValues?.ToList();
             return this;
         }