diff --git a/test/spec/ol/pointer/mousesource.test.js b/test/spec/ol/pointer/mousesource.test.js
index 451c84aeedb..01ddc63eb92 100644
--- a/test/spec/ol/pointer/mousesource.test.js
+++ b/test/spec/ol/pointer/mousesource.test.js
@@ -66,7 +66,7 @@ describe('ol.pointer.MouseSource', function() {
       {
         identifier: 4,
         clientX: x,
-        clientX: y,
+        clientY: y,
         target: target
       }
     ];