diff --git a/macos/Classes/ClippingAudioSource.h b/macos/Classes/ClippingAudioSource.h
index 217fcf5..8122e3a 100644
--- a/macos/Classes/ClippingAudioSource.h
+++ b/macos/Classes/ClippingAudioSource.h
@@ -4,6 +4,8 @@
 
 @interface ClippingAudioSource : IndexedAudioSource
 
+@property (readonly, nonatomic) UriAudioSource* audioSource;
+
 - (instancetype)initWithId:(NSString *)sid audioSource:(UriAudioSource *)audioSource start:(NSNumber *)start end:(NSNumber *)end;
 
 @end