diff --git a/lib/OpenLayers/Layer.js b/lib/OpenLayers/Layer.js
index f662eaafc9..c002f3c9b1 100644
--- a/lib/OpenLayers/Layer.js
+++ b/lib/OpenLayers/Layer.js
@@ -1322,7 +1322,8 @@ OpenLayers.Layer = OpenLayers.Class({
         if (this.wrapDateLine) {
             // wrap around the date line, within the limits of rounding error
             var wrappingOptions = { 
-                'rightTolerance':this.getResolution()
+                'rightTolerance':this.getResolution(),
+                'leftTolerance':this.getResolution()
             };    
             bounds = bounds.wrapDateLine(this.maxExtent, wrappingOptions);