diff --git a/packages/core/cyclist.mjs b/packages/core/cyclist.mjs
index c835ca76..ae6b68fe 100644
--- a/packages/core/cyclist.mjs
+++ b/packages/core/cyclist.mjs
@@ -41,7 +41,7 @@ export class Cyclist {
           this.lastEnd = end;
 
           // query the pattern for events
-          const haps = this.pattern.queryArc(begin, end);
+          const haps = this.pattern.queryArc(begin, end, { _cps: this.cps });
 
           const tickdeadline = phase - time; // time left until the phase is a whole number
           this.lastTick = time + tickdeadline;
diff --git a/packages/core/pattern.mjs b/packages/core/pattern.mjs
index 6a7b210b..408b5398 100644
--- a/packages/core/pattern.mjs
+++ b/packages/core/pattern.mjs
@@ -340,9 +340,9 @@ export class Pattern {
    * silence
    * @noAutocomplete
    */
-  queryArc(begin, end) {
+  queryArc(begin, end, controls = {}) {
     try {
-      return this.query(new State(new TimeSpan(begin, end)));
+      return this.query(new State(new TimeSpan(begin, end), controls));
     } catch (err) {
       logger(`[query]: ${err.message}`, 'error');
       return [];
@@ -2341,14 +2341,19 @@ export const splice = register(
   'splice',
   function (npat, ipat, opat) {
     const sliced = slice(npat, ipat, opat);
-    return sliced.withHap(function (hap) {
-      return hap.withValue((v) => ({
-        ...{
-          speed: (1 / v._slices / hap.whole.duration) * (v.speed || 1),
-          unit: 'c',
-        },
-        ...v,
-      }));
+    return new Pattern((state) => {
+      // TODO - default cps to 0.5
+      const cps = state.controls._cps || 1;
+      const haps = sliced.query(state);
+      return haps.map((hap) =>
+        hap.withValue((v) => ({
+          ...{
+            speed: (cps / v._slices / hap.whole.duration) * (v.speed || 1),
+            unit: 'c',
+          },
+          ...v,
+        })),
+      );
     });
   },
   false, // turns off auto-patternification