diff --git a/CHANGES b/CHANGES
index 7ca402699..71f5f4fa8 100644
--- a/CHANGES
+++ b/CHANGES
@@ -21,6 +21,7 @@ Emulation fixes:
  - GBA: Fix timing advancing too quickly in rare cases
  - GBA Audio: Fix deserializing SOUNDCNT_L
  - GBA Audio: Fix stereo in XQ audio
+ - GBA Audio: Fix volume/mute in XQ audio (fixes mgba.io/i/1864)
  - GBA BIOS: Implement dummy sound driver calls
  - GBA BIOS: Improve HLE BIOS timing
  - GBA BIOS: Fix reloading video registers after reset (fixes mgba.io/i/1808)
diff --git a/src/gba/extra/audio-mixer.c b/src/gba/extra/audio-mixer.c
index db1448b86..fe9ed6901 100644
--- a/src/gba/extra/audio-mixer.c
+++ b/src/gba/extra/audio-mixer.c
@@ -289,6 +289,8 @@ void _mp2kStep(struct GBAAudioMixer* mixer) {
 			CircleBufferRead16(&mixer->activeTracks[track].buffer, &value);
 			sample.right += value;
 		}
+		sample.left = (sample.left * mixer->p->masterVolume) >> 8;
+		sample.right = (sample.right * mixer->p->masterVolume) >> 8;
 		if (mixer->p->externalMixing) {
 			blip_add_delta(mixer->p->psg.left, mixer->p->clock + i * interval, sample.left - mixer->last.left);
 			blip_add_delta(mixer->p->psg.right, mixer->p->clock + i * interval, sample.right - mixer->last.right);