diff --git a/Machines/AmstradCPC/AmstradCPC.cpp b/Machines/AmstradCPC/AmstradCPC.cpp
index 82fd4a2cc..f152aa12b 100644
--- a/Machines/AmstradCPC/AmstradCPC.cpp
+++ b/Machines/AmstradCPC/AmstradCPC.cpp
@@ -79,6 +79,7 @@ class AYDeferrer {
 
 		inline void flush() {
 			ay_->run_for(cycles_since_update_.divide_cycles(Cycles(4)));
+			ay_->flush();
 		}
 
 		std::shared_ptr<Outputs::Speaker> get_speaker() {