diff --git a/src/audio/mixer.c b/src/audio/mixer.c
index 24ac712a..d9da7769 100644
--- a/src/audio/mixer.c
+++ b/src/audio/mixer.c
@@ -15,10 +15,10 @@
 #define ROUND_UP_8(v) (((v) + 7) & ~7)
 #define ROUND_DOWN_16(v) ((v) & ~0xf)
 
-//#define DMEM_BUF_SIZE (0x1000 - 0x0330 - 0x10 - 0x40)
-#define DMEM_BUF_SIZE 0xC80
-#define BUF_U8(a) (rspa.buf.as_u8 + ((a)-0x0330))
-#define BUF_S16(a) (rspa.buf.as_s16 + ((a)-0x0330) / sizeof(int16_t))
+#define DMEM_BUF_SIZE (0x1000)
+// #define DMEM_BUF_SIZE 0xC90
+#define BUF_U8(a) (rspa.buf.as_u8 + ((a)-0x450))
+#define BUF_S16(a) (rspa.buf.as_s16 + ((a)-0x450) / sizeof(int16_t))
 
 static struct {
     uint16_t in;