diff --git a/examples/popupMatrix.html b/examples/popupMatrix.html
index 0e85cf4b2d..0829c44a04 100644
--- a/examples/popupMatrix.html
+++ b/examples/popupMatrix.html
@@ -841,7 +841,7 @@
          */
         function addMarker(ll, popupClass, popupContentHTML, closeBox, overflow) {
 
-            var feature = new OpenLayers.Feature(layer, ll); 
+            var feature = new OpenLayers.Feature(markers, ll); 
             feature.closeBox = closeBox;
             feature.popupClass = popupClass;
             feature.data.popupContentHTML = popupContentHTML;