diff --git a/docs/guides/commands/samples/preconditions/require_role.cs b/docs/guides/commands/samples/preconditions/require_role.cs
index 77d09b525..d9a393ace 100644
--- a/docs/guides/commands/samples/preconditions/require_role.cs
+++ b/docs/guides/commands/samples/preconditions/require_role.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Threading.Tasks;
 using Discord.Commands;
 using Discord.WebSocket;