diff --git a/CHANGES b/CHANGES
index aa3162ca1..fbc59a55e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -8,6 +8,7 @@ Features:
 Emulation fixes:
  - ARM: Remove obsolete force-alignment in `bx pc` (fixes mgba.io/i/2964)
  - GB Audio: Fix channels 1/2 staying muted if restarted after long silence
+ - GB Audio: Fix channel 1 restarting if sweep applies after stop (fixes mgba.io/i/2965)
  - GB I/O: Read back proper SVBK value after writing 0 (fixes mgba.io/i/2921)
  - GB Serialize: Add missing Pocket Cam state to savestates
  - GB SIO: Disabling SIO should cancel pending transfers (fixes mgba.io/i/2537)
diff --git a/src/gb/audio.c b/src/gb/audio.c
index a90d5531a..1a728b6f0 100644
--- a/src/gb/audio.c
+++ b/src/gb/audio.c
@@ -651,7 +651,9 @@ void GBAudioUpdateFrame(struct GBAudio* audio) {
 		if (audio->ch1.sweep.enable) {
 			--audio->ch1.sweep.step;
 			if (audio->ch1.sweep.step == 0) {
-				audio->playingCh1 = _updateSweep(&audio->ch1, false);
+				if (!_updateSweep(&audio->ch1, false)) {
+					audio->playingCh1 = false;
+				}
 				*audio->nr52 &= ~0x0001;
 				*audio->nr52 |= audio->playingCh1;
 			}