--- /usr/bin/gdal2tiles.py	2014-04-05 14:21:17.000000000 +0000
+++ gdal2tiles.py	2016-11-08 19:33:42.162188732 +0000
@@ -783,7 +783,7 @@
         self.out_srs = osr.SpatialReference()
 
         if self.options.profile == 'mercator':
-            self.out_srs.ImportFromEPSG(900913)
+            self.out_srs.ImportFromEPSG(3857)
         elif self.options.profile == 'geodetic':
             self.out_srs.ImportFromEPSG(4326)
         else: