diff --git a/packages/core/index.mjs b/packages/core/index.mjs
index ceffdcbe..bed63f9a 100644
--- a/packages/core/index.mjs
+++ b/packages/core/index.mjs
@@ -22,7 +22,6 @@ export * from './cyclist.mjs';
 export * from './logger.mjs';
 export * from './time.mjs';
 export * from './draw.mjs';
-export * from './scope.mjs';
 export * from './animate.mjs';
 export * from './pianoroll.mjs';
 export * from './spiral.mjs';
diff --git a/packages/webaudio/index.mjs b/packages/webaudio/index.mjs
index 563a367e..a425e683 100644
--- a/packages/webaudio/index.mjs
+++ b/packages/webaudio/index.mjs
@@ -5,4 +5,5 @@ This program is free software: you can redistribute it and/or modify it under th
 */
 
 export * from './webaudio.mjs';
+export * from './scope.mjs';
 export * from 'superdough';
diff --git a/packages/core/scope.mjs b/packages/webaudio/scope.mjs
similarity index 89%
rename from packages/core/scope.mjs
rename to packages/webaudio/scope.mjs
index 392ea859..b3b4b8bd 100644
--- a/packages/core/scope.mjs
+++ b/packages/webaudio/scope.mjs
@@ -1,11 +1,9 @@
-import { Pattern } from './pattern.mjs';
-import { getDrawContext } from './draw.mjs';
-import { analyser } from '@strudel.cycles/webaudio';
-import { clamp } from './util.mjs';
+import { Pattern, getDrawContext, clamp } from '@strudel.cycles/core';
+import { analyser } from 'superdough';
 
 export function drawTimeScope(
   analyser,
-  { align = true, color = 'white', thickness = 3, scale = 0.25, pos = 0.75, next = 1 } = {},
+  { align = true, color = 'white', thickness = 3, scale = 0.25, pos = 0.75, next = 1, trigger = 0 } = {},
 ) {
   const ctx = getDrawContext();
   const dataArray = getAnalyzerData('time');
@@ -17,9 +15,8 @@ export function drawTimeScope(
   let canvas = ctx.canvas;
 
   const bufferSize = analyser.frequencyBinCount;
-  const triggerValue = 0;
   let triggerIndex = align
-    ? Array.from(dataArray).findIndex((v, i, arr) => i && arr[i - 1] < triggerValue && v >= triggerValue)
+    ? Array.from(dataArray).findIndex((v, i, arr) => i && arr[i - 1] > -trigger && v <= -trigger)
     : 0;
   triggerIndex = Math.max(triggerIndex, 0); // fallback to 0 when no trigger is found