diff --git a/OSBindings/Mac/Clock Signal/Machine/CSMachine.h b/OSBindings/Mac/Clock Signal/Machine/CSMachine.h
index 5ac636f0a..86ec34381 100644
--- a/OSBindings/Mac/Clock Signal/Machine/CSMachine.h	
+++ b/OSBindings/Mac/Clock Signal/Machine/CSMachine.h	
@@ -9,6 +9,7 @@
 #import <Foundation/Foundation.h>
 
 #import "CSAudioQueue.h"
+#import "CSFastLoading.h"
 #import "CSOpenGLView.h"
 #import "CSStaticAnalyser.h"
 
diff --git a/OSBindings/Mac/Clock Signal/Machine/CSMachine.mm b/OSBindings/Mac/Clock Signal/Machine/CSMachine.mm
index 8d4a5c75e..4f6e41745 100644
--- a/OSBindings/Mac/Clock Signal/Machine/CSMachine.mm	
+++ b/OSBindings/Mac/Clock Signal/Machine/CSMachine.mm	
@@ -23,7 +23,7 @@
 #import "NSBundle+DataResource.h"
 #import "NSData+StdVector.h"
 
-@interface CSMachine()
+@interface CSMachine() <CSFastLoading>
 - (void)speaker:(Outputs::Speaker::Speaker *)speaker didCompleteSamples:(const int16_t *)samples length:(int)length;
 - (void)machineDidChangeClockRate;
 - (void)machineDidChangeClockIsUnlimited;