diff --git a/lib/OpenLayers/Layer/WFS.js b/lib/OpenLayers/Layer/WFS.js
index 2e9450e698..7153994181 100644
--- a/lib/OpenLayers/Layer/WFS.js
+++ b/lib/OpenLayers/Layer/WFS.js
@@ -203,7 +203,7 @@ OpenLayers.Layer.WFS.prototype =
     
                         for(var i=0; i < tile.features.length; i++) {
                             var feature = tile.features[i];
-                            if (feature.id = featureID) {
+                            if (feature.id == featureID) {
                                 foundFeature = feature;
                             }
                         }