diff --git a/packages/core/test/middleware.js b/packages/core/test/middleware.js
index b64a533..bb73de1 100644
--- a/packages/core/test/middleware.js
+++ b/packages/core/test/middleware.js
@@ -12,7 +12,7 @@ describe('@latus/core', () => {
         },
       ]);
       middleware.dispatch(() => {
-        expect(called).to.equal(true);
+        expect(called).to.be.true;
         done();
       });
     });