diff --git a/BizHawk.MultiClient/movie/InputAdapters.cs b/BizHawk.MultiClient/movie/InputAdapters.cs
index df9f7c8c1d..2bd29cf9fc 100644
--- a/BizHawk.MultiClient/movie/InputAdapters.cs
+++ b/BizHawk.MultiClient/movie/InputAdapters.cs
@@ -404,6 +404,7 @@ namespace BizHawk.MultiClient
 			}
 			if (ControlType == "Atari 2600 Basic Controller")
 			{
+				if (mnemonic.Length < 2) return;
 				Force("Reset", mnemonic[1] != '.' && mnemonic[1] != '0');
 				Force("Select", mnemonic[2] != '.' && mnemonic[2] != '0');
 				start = 4;