diff --git a/sumAll.spec.js b/sumAll.spec.js
index a5ba804..a949839 100644
--- a/sumAll.spec.js
+++ b/sumAll.spec.js
@@ -16,7 +16,7 @@ describe('sumAll', function() {
     it('returns ERROR with non-number parameters', function() {
         expect(sumAll(10, "90")).toEqual('ERROR');
     });
-    xit('returns ERROR with non-number parameters', function() {
+    it('returns ERROR with non-number parameters', function() {
         expect(sumAll(10, [90, 1])).toEqual('ERROR');
     });
 });
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