diff --git a/BizHawk.Client.Common/lua/EmuLuaLibrary.Memory.cs b/BizHawk.Client.Common/lua/EmuLuaLibrary.Memory.cs
index 47d8a21392..0378357190 100644
--- a/BizHawk.Client.Common/lua/EmuLuaLibrary.Memory.cs
+++ b/BizHawk.Client.Common/lua/EmuLuaLibrary.Memory.cs
@@ -40,6 +40,11 @@ namespace BizHawk.Client.Common
 			{
 				if (MemoryDomainCore != null)
 				{
+					if (_currentMemoryDomain == null)
+					{
+						_currentMemoryDomain = MemoryDomainCore.MainMemory;
+					}
+
 					return _currentMemoryDomain;
 				}
 				else