diff --git a/lib/OpenLayers/Map.js b/lib/OpenLayers/Map.js
index a3b7c62d1a..c5a2c63e7b 100644
--- a/lib/OpenLayers/Map.js
+++ b/lib/OpenLayers/Map.js
@@ -1685,7 +1685,8 @@ OpenLayers.Map = OpenLayers.Class({
         var x = hw + dx;
         var y = hh + dy;
         var wrapDateLine = this.baseLayer.wrapDateLine;
-        var xRestriction = yRestriction = 0;
+        var xRestriction = 0;
+        var yRestriction = 0;
         if (this.restrictedExtent) {
             xRestriction = hw;
             yRestriction = hh;