diff --git a/CHANGES b/CHANGES
index a1e618cad..322565353 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,7 @@ Emulation fixes:
  - GBA Memory: Fix STM to VRAM (fixes mgba.io/i/1430)
  - GB Video: Increment BCPS/OCPS even in mode 3 (fixes mgba.io/i/1462)
  - GB Audio: Deschedule channel 3 when disabled (fixes mgba.io/i/1463)
+ - GB Audio: Deschedule channel 1 when disabled by sweep (fixes mgba.io/i/1467)
 Other fixes:
  - Switch: Fix threading-related crash on second launch
  - Qt: Fix FPS target maxing out at 59.727 (fixes mgba.io/i/1421)
diff --git a/src/gb/audio.c b/src/gb/audio.c
index df92eb848..ce8791308 100644
--- a/src/gb/audio.c
+++ b/src/gb/audio.c
@@ -511,6 +511,9 @@ void GBAudioUpdateFrame(struct GBAudio* audio, struct mTiming* timing) {
 				audio->playingCh1 = _updateSweep(&audio->ch1, false);
 				*audio->nr52 &= ~0x0001;
 				*audio->nr52 |= audio->playingCh1;
+				if (!audio->playingCh1) {
+					mTimingDeschedule(audio->timing, &audio->ch1Event);
+				}
 			}
 		}
 		// Fall through