diff --git a/CHANGES b/CHANGES
index 89f2cf58b..2b334801f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -29,6 +29,7 @@ Emulation fixes:
  - GB Audio: Sample inactive channels (fixes mgba.io/i/1455, mgba.io/i/1456)
  - 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:
  - Qt: Fix some Qt display driver race conditions
  - Core: Improved lockstep driver reliability (Le Hoang Quyen)
diff --git a/src/gb/audio.c b/src/gb/audio.c
index b4c745404..666ab42b8 100644
--- a/src/gb/audio.c
+++ b/src/gb/audio.c
@@ -513,6 +513,9 @@ 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