diff --git a/TODO_audio.md b/TODO_audio.md
index 3f5c5ccbe..3781ec26f 100644
--- a/TODO_audio.md
+++ b/TODO_audio.md
@@ -2,6 +2,7 @@
 
  * Reimplement target FPS mode
  * Fixup OpenGL sync, ensure that FB only rerenders after a frame has been generated
+ * Add GUI for new audio parameters (prebuffer fragment count, resampling quality)
 
 # Cleanup
 
diff --git a/src/emucore/EmulationTiming.cxx b/src/emucore/EmulationTiming.cxx
index c812bb36b..4708c65e6 100644
--- a/src/emucore/EmulationTiming.cxx
+++ b/src/emucore/EmulationTiming.cxx
@@ -20,7 +20,7 @@
 namespace {
   constexpr uInt32 AUDIO_HALF_FRAMES_PER_FRAGMENT = 1;
   constexpr uInt32 QUEUE_CAPACITY_SAFETY_FACTOR = 2;
-  constexpr uInt32 PREBUFFER_FRAGMENT_COUNT = 4;
+  constexpr uInt32 PREBUFFER_FRAGMENT_COUNT = 2;
 }
 
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