diff --git a/src/BizHawk.Client.EmuHawk/tools/GameShark.cs b/src/BizHawk.Client.EmuHawk/tools/GameShark.cs
index b433fdc1b4..171419b71a 100644
--- a/src/BizHawk.Client.EmuHawk/tools/GameShark.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/GameShark.cs
@@ -44,7 +44,7 @@ namespace BizHawk.Client.EmuHawk
 			{
 				try
 				{
-					var code = l.ToUpper();
+					var code = l.ToUpper().Trim();
 					var decoder = new GameSharkDecoder(MemoryDomains, Emulator.SystemId);
 					var result = decoder.Decode(code);
 					var domain = decoder.CheatDomain();