diff --git a/src/BizHawk.Client.Common/lua/CommonLibs/MovieLuaLibrary.cs b/src/BizHawk.Client.Common/lua/CommonLibs/MovieLuaLibrary.cs
index 6078c42cb5..aa8699816b 100644
--- a/src/BizHawk.Client.Common/lua/CommonLibs/MovieLuaLibrary.cs
+++ b/src/BizHawk.Client.Common/lua/CommonLibs/MovieLuaLibrary.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 
 using NLua;