diff --git a/Core/HLE/__sceAudio.cpp b/Core/HLE/__sceAudio.cpp
index 3176d26..f05ad9d 100644
--- a/Core/HLE/__sceAudio.cpp
+++ b/Core/HLE/__sceAudio.cpp
@@ -82,6 +82,11 @@ static bool m_logAudio;
 static int chanQueueMaxSizeFactor;
 static int chanQueueMinSizeFactor;
 
+// Accessor for libretro
+int __AudioGetHostAttemptBlockSize() {
+	return hostAttemptBlockSize;
+}
+
 static void hleAudioUpdate(u64 userdata, int cyclesLate) {
 	// Schedule the next cycle first.  __AudioUpdate() may consume cycles.
 	CoreTiming::ScheduleEvent(audioIntervalCycles - cyclesLate, eventAudioUpdate, 0);
diff --git a/Core/HLE/__sceAudio.h b/Core/HLE/__sceAudio.h
index ae9ca35..f26ae0d 100644
--- a/Core/HLE/__sceAudio.h
+++ b/Core/HLE/__sceAudio.h
@@ -50,6 +50,8 @@ int __AudioMix(short *outstereo, int numSamples, int sampleRate);
 void __AudioGetDebugStats(char *buf, size_t bufSize);
 void __PushExternalAudio(const s32 *audio, int numSamples);  // Should not be used in-game, only at the menu!
 
+int __AudioGetHostAttemptBlockSize();
+
 // Audio Dumping stuff
 void __StartLogAudio(const Path &filename);
 void __StopLogAudio();
diff --git a/libretro/libretro.cpp b/libretro/libretro.cpp
index eacbca2..26f2cf6 100644
--- a/libretro/libretro.cpp
+++ b/libretro/libretro.cpp
@@ -379,7 +379,7 @@ class LibretroHost : public Host
       void InitSound() override {}
       void UpdateSound() override
       {
-         extern int hostAttemptBlockSize;
+         int hostAttemptBlockSize = __AudioGetHostAttemptBlockSize();
          const int blockSizeMax = 512;
          static int16_t audio[blockSizeMax * 2];
          assert(hostAttemptBlockSize <= blockSizeMax);