diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.IDebuggable.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.IDebuggable.cs
index 2c4a944e36..267ffbab08 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.IDebuggable.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.IDebuggable.cs
@@ -60,7 +60,12 @@ namespace BizHawk.Emulation.Cores.Nintendo.N64
 			throw new NotImplementedException();
 		}
 
-		public IMemoryCallbackSystem MemoryCallbacks { get; private set; }
+		public IMemoryCallbackSystem MemoryCallbacks
+		{
+			get { return _memorycallbacks; }
+		}
+
+		private readonly MemoryCallbackSystem _memorycallbacks = new MemoryCallbackSystem();
 
 		public bool CanStep(StepType type) { return false; }
 
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs
index f68e6926f0..a135eddf56 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs
@@ -55,10 +55,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.N64
 		{
 			ServiceProvider = new BasicServiceProvider(this);
 			InputCallbacks = new InputCallbackSystem();
-			MemoryCallbacks = new MemoryCallbackSystem
-			{
-				ExecuteCallbacksAvailable = false
-			};
+			_memorycallbacks.ActiveChanged += RefreshMemoryCallbacks;
 
 			int SaveType = 0;
 			if (game.OptionValue("SaveType") == "EEPROM_16K")
@@ -215,6 +212,8 @@ namespace BizHawk.Emulation.Cores.Nintendo.N64
 		public void FrameAdvance(bool render, bool rendersound)
 		{
 			IsVIFrame = false;
+			
+			RefreshMemoryCallbacks();
 
 			_audioProvider.RenderSound = rendersound;