diff --git a/src/number/__test__/Number.spec.js b/src/number/__test__/Number.spec.js
index 3c5820e..5171642 100644
--- a/src/number/__test__/Number.spec.js
+++ b/src/number/__test__/Number.spec.js
@@ -6,6 +6,6 @@ describe('Number Type', () => {
       assert(Number.test(3))
       assert(Number.test(NaN))
       assert(Number.test(Infinity))
-      assert(Number.test("3"))
+      assert(!Number.test("3"))
    })
 })