diff --git a/packages/superdough/helpers.mjs b/packages/superdough/helpers.mjs
index 9833a90f..9194e2bb 100644
--- a/packages/superdough/helpers.mjs
+++ b/packages/superdough/helpers.mjs
@@ -22,18 +22,12 @@ export const getEnvelope = (attack, decay, sustain, release, velocity, begin) =>
     node: gainNode,
     stop: (t) => {
       // to make sure the release won't begin before sustain is reached
-      //phase = Math.max(t, phase + 0.001);
       phase = Math.max(t, phase);
       // see https://github.com/tidalcycles/strudel/issues/522
-      //if (typeof gainNode.gain.cancelAndHoldAtTime === 'function') {
-      // gainNode.gain.cancelAndHoldAtTime(t); // this seems to release instantly....
-      // see https://discord.com/channels/779427371270275082/937365093082079272/1086053607360712735
-      //} else {
-      // firefox: this will glitch when the sustain has not been reached yet at the time of release
       gainNode.gain.setValueAtTime(sustainLevel, phase);
-      //}
-      gainNode.gain.linearRampToValueAtTime(0, phase + release); // release
-      return phase + release;
+      phase += release;
+      gainNode.gain.linearRampToValueAtTime(0, phase); // release
+      return phase;
     },
   };
 };