diff --git a/test/arrays.js b/test/arrays.js
index 8c4b6d061..c6e0124f5 100644
--- a/test/arrays.js
+++ b/test/arrays.js
@@ -356,7 +356,7 @@
 
   QUnit.test('indexOf with NaN', function(assert) {
     assert.strictEqual(_.indexOf([1, 2, NaN, NaN], NaN), 2, 'Expected [1, 2, NaN] to contain NaN');
-    assert.strictEqual(_.indexOf([1, 2, Infinity], NaN), -1, 'Expected [1, 2, NaN] to contain NaN');
+    assert.strictEqual(_.indexOf([1, 2, Infinity], NaN), -1, 'Expected [1, 2, Infinity] to NOT contain NaN');
 
     assert.strictEqual(_.indexOf([1, 2, NaN, NaN], NaN, 1), 2, 'startIndex does not affect result');
     assert.strictEqual(_.indexOf([1, 2, NaN, NaN], NaN, -2), 2, 'startIndex does not affect result');