---
 www/media/osm_map.js |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/www/media/osm_map.js b/www/media/osm_map.js
index f13a7e7..deb0bf9 100644
--- a/www/media/osm_map.js
+++ b/www/media/osm_map.js
@@ -157,6 +157,8 @@ function mapInit()
                 new OpenLayers.Pixel(pxbounds.left, pxbounds.top));
             rbpixel = map.getLonLatFromPixel(
                 new OpenLayers.Pixel(pxbounds.right, pxbounds.bottom));
+            if (ltpixel.equals(rbpixel))
+                return;
             bounds = new OpenLayers.Bounds();
             bounds.extend(ltpixel);
             bounds.extend(rbpixel);
-- 
1.7.0.4


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