diff --git a/src/gba/gba-audio.c b/src/gba/gba-audio.c
index 63e7ff448..4a2a8cdde 100644
--- a/src/gba/gba-audio.c
+++ b/src/gba/gba-audio.c
@@ -25,14 +25,18 @@ void GBAAudioInit(struct GBAAudio* audio) {
 	audio->nextCh2 = 0;
 	audio->nextCh3 = 0;
 	audio->nextCh4 = 0;
+	audio->ch1.sweep.time = 0;
 	audio->ch1.envelope.nextStep = INT_MAX;
 	audio->ch1.control.nextStep = 0;
+	audio->ch1.control.endTime = 0;
 	audio->ch1.nextSweep = INT_MAX;
 	audio->ch1.sample = 0;
 	audio->ch2.envelope.nextStep = INT_MAX;
 	audio->ch2.control.nextStep = 0;
+	audio->ch2.control.endTime = 0;
 	audio->ch2.sample = 0;
 	audio->ch3.bank.packed = 0;
+	audio->ch3.control.endTime = 0;
 	audio->ch3.sample = 0;
 	audio->ch4.sample = 0;
 	audio->ch4.envelope.nextStep = INT_MAX;