diff --git a/src/Discord.Net.Commands/IModuleBase.cs b/src/Discord.Net.Commands/IModuleBase.cs
index 9dbffd672..68cbae3c3 100644
--- a/src/Discord.Net.Commands/IModuleBase.cs
+++ b/src/Discord.Net.Commands/IModuleBase.cs
@@ -1,4 +1,6 @@
-namespace Discord.Commands
+using System;
+
+namespace Discord.Commands
 {
     internal interface IModuleBase
     {