diff --git a/packages/core/strudel.mjs b/packages/core/strudel.mjs
index 1180ad6d..cd9c3b25 100644
--- a/packages/core/strudel.mjs
+++ b/packages/core/strudel.mjs
@@ -706,6 +706,8 @@ class Pattern {
   }
 
   _zoom(s, e) {
+    e = Fraction(e)
+    s = Fraction(s)
     const d = e.sub(s);
     return this.withQuerySpan((span) => span.withCycle((t) => t.mul(d).add(s)))
       .withEventSpan((span) => span.withCycle((t) => t.sub(s).div(d)))
diff --git a/packages/core/test/pattern.test.mjs b/packages/core/test/pattern.test.mjs
index afe6bf77..26450b2e 100644
--- a/packages/core/test/pattern.test.mjs
+++ b/packages/core/test/pattern.test.mjs
@@ -1,6 +1,6 @@
 import Fraction from 'fraction.js';
 
-import { strict as assert } from 'assert';
+import { deepStrictEqual, strict as assert } from 'assert';
 
 import {
   TimeSpan,
@@ -656,4 +656,12 @@ describe('Pattern', function () {
       );
     });
   });
+  describe('linger', () => {
+    it('Can linger on the first quarter of a cycle', () => {
+      assert.deepStrictEqual(
+        sequence(0, 1, 2, 3, 4, 5, 6, 7).linger(0.25).firstCycle(),
+        sequence(0, 1, 0, 1, 0, 1, 0, 1).firstCycle(),
+      );
+    });
+  });
 });