diff --git a/src/JSystem/JAudio2/JAUInitializer.cpp b/src/JSystem/JAudio2/JAUInitializer.cpp
index cbcd7ba62b..3800170f77 100644
--- a/src/JSystem/JAudio2/JAUInitializer.cpp
+++ b/src/JSystem/JAudio2/JAUInitializer.cpp
@@ -20,7 +20,11 @@ JAU_JASInitializer::JAU_JASInitializer() {
     audioMemSize_ = 0;
     dvdThreadId_ = -1;
     audioThreadId_ = -1;
+#if TARGET_PC
+    heapSize_ = 0x4000;
+#else
     heapSize_ = 0x1000;
+#endif
     dvdThreadPriority_ = 3;
     audioThreadPriority_ = 2;
     field_0x1c = 0x80;
diff --git a/src/m_Do/m_Do_audio.cpp b/src/m_Do/m_Do_audio.cpp
index a7c490a691..293cda30e7 100644
--- a/src/m_Do/m_Do_audio.cpp
+++ b/src/m_Do/m_Do_audio.cpp
@@ -107,7 +107,7 @@ static void mDoAud_Create() {
 #endif
         if (g_mDoAud_audioHeap != NULL) {
             s32 groupID = JKRGetCurrentHeap()->changeGroupID(5);
-#if PLATFORM_GCN
+#if PLATFORM_GCN && !TARGET_PC
             const int audioMemSize = 0xA00000;
 #else
             const int audioMemSize = 0xB00000;
diff --git a/src/m_Do/m_Do_main.cpp b/src/m_Do/m_Do_main.cpp
index 1540ef1737..bbb5fbeb98 100644
--- a/src/m_Do/m_Do_main.cpp
+++ b/src/m_Do/m_Do_main.cpp
@@ -52,7 +52,11 @@ OSTime mDoMain::sPowerOnTime;
 OSTime mDoMain::sHungUpTime;
 u32 mDoMain::memMargin = 0xFFFFFFFF;
 char mDoMain::COPYDATE_STRING[18] = "??/??/?? ??:??:??";
+#if TARGET_PC
+const int audioHeapSize = 0x14D800 * 2;
+#else
 const int audioHeapSize = 0x14D800;
+#endif
 
 // --- PC LOGGING CALLBACK ---
 void aurora_log_callback(AuroraLogLevel level, const char* module, const char* message,