diff --git a/src/BizHawk.Client.Common/lua/CommonLibs/MovieLuaLibrary.cs b/src/BizHawk.Client.Common/lua/CommonLibs/MovieLuaLibrary.cs
index 577f74999a..6078c42cb5 100644
--- a/src/BizHawk.Client.Common/lua/CommonLibs/MovieLuaLibrary.cs
+++ b/src/BizHawk.Client.Common/lua/CommonLibs/MovieLuaLibrary.cs
@@ -30,7 +30,9 @@ namespace BizHawk.Client.Common
 		[LuaMethodExample("local nlmovget = movie.getinput( 500 );")]
 		[LuaMethod("getinput", "Returns a table of buttons pressed on a given frame of the loaded movie")]
 		public LuaTable GetInput(int frame, int? controller = null)
-			=> _th.DictToTable(APIs.Movie.GetInput(frame, controller));
+			=> APIs.Movie.GetInput(frame, controller) is IReadOnlyDictionary<string, object> dict
+   				? _th.DictToTable(dict)
+	   			: null;
 
 		[LuaMethodExample("local stmovget = movie.getinputasmnemonic( 500 );")]
 		[LuaMethod("getinputasmnemonic", "Returns the input of a given frame of the loaded movie in a raw inputlog string")]