diff --git a/packages/core/test/pattern.test.mjs b/packages/core/test/pattern.test.mjs
index b93d80f25..07bdcdda7 100644
--- a/packages/core/test/pattern.test.mjs
+++ b/packages/core/test/pattern.test.mjs
@@ -52,7 +52,7 @@ import {
   stackCentre,
   stepcat,
   sometimes,
-  expand
+  expand,
 } from '../index.mjs';
 
 import { steady } from '../signal.mjs';
@@ -1181,7 +1181,7 @@ describe('Pattern', () => {
       expect(sameFirst(stepcat(pure(1), pure(2), pure(3).setSteps(undefined)), fastcat(1, 2, 3)));
     });
     it('works with auto-reified values', () => {
-      expect(sameFirst(stepcat(expand(3, 'bd'), 'rim'), stepcat(expand(3, 'bd'), pure('rim'))))
+      expect(sameFirst(stepcat(expand(3, 'bd'), 'rim'), stepcat(expand(3, 'bd'), pure('rim'))));
     });
   });
   describe('shrink', () => {