diff --git a/CHANGES b/CHANGES
index 37c771171..af099506a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -10,6 +10,7 @@ Bugfixes:
  - Util: Fix overflow when loading invalid UPS patches
  - GB: Fix crash when patching ROMs
  - Tools: Fix recurring multiple times over the same library
+ - GBA I/O: Handle audio registers specially when deserializing
 Misc:
  - Qt: Improved HiDPI support
  - Feature: Support ImageMagick 7
diff --git a/src/gba/io.c b/src/gba/io.c
index 2a7fdc5b1..5f452b525 100644
--- a/src/gba/io.c
+++ b/src/gba/io.c
@@ -250,8 +250,8 @@ static const int _isRSpecialRegister[REG_MAX >> 1] = {
 	1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1,
 	// Audio
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 1, 0, 0, 0, 1, 0,
+	0, 0, 1, 0, 0, 0, 1, 0,
 	0, 0, 0, 0, 1, 0, 0, 0,
 	1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 0, 0, 0, 0,
@@ -291,9 +291,9 @@ static const int _isWSpecialRegister[REG_MAX >> 1] = {
 	0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0,
 	// Audio
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 1, 0, 0, 0, 0, 0,
+	1, 1, 1, 0, 1, 0, 1, 0,
+	1, 1, 1, 0, 1, 0, 1, 0,
+	1, 0, 1, 0, 0, 0, 0, 0,
 	1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 0, 0, 0, 0,
 	// DMA