diff --git a/config/environments/development.js.example b/config/environments/development.js.example
index 0a2c36ee..fd863822 100644
--- a/config/environments/development.js.example
+++ b/config/environments/development.js.example
@@ -11,7 +11,7 @@ var config = {
         user: "publicuser",
         host: '127.0.0.1',
         port: 5432,
-        extent: "-20005048.4188,-20005048.4188,20005048.4188,20005048.4188",
+        extent: "-20037508.5,-20037508.5,20037508.5,20037508.5",
         /* experimental
         geometry_field: "the_geom",
         extent: "-180,-90,180,90",
diff --git a/config/environments/production.js.example b/config/environments/production.js.example
index 8e7c0c8f..ece7766b 100644
--- a/config/environments/production.js.example
+++ b/config/environments/production.js.example
@@ -10,7 +10,7 @@ var config = {
         user: "publicuser",
         host: '127.0.0.1',
         port: 6432,
-        extent: "-20005048.4188,-20005048.4188,20005048.4188,20005048.4188",
+        extent: "-20037508.5,-20037508.5,20037508.5,20037508.5",
         simplify: true,
         max_size: 500
     }
diff --git a/config/environments/staging.js.example b/config/environments/staging.js.example
index 9ba1ddfa..17b59546 100644
--- a/config/environments/staging.js.example
+++ b/config/environments/staging.js.example
@@ -10,7 +10,7 @@ var config = {
         user: "publicuser",
         host: '127.0.0.1',
         port: 6432,
-        extent: "-20005048.4188,-20005048.4188,20005048.4188,20005048.4188",
+        extent: "-20037508.5,-20037508.5,20037508.5,20037508.5",
         simplify: true,
         max_size: 500
     }
diff --git a/config/environments/test.js.example b/config/environments/test.js.example
index befe1e4d..44969cc4 100644
--- a/config/environments/test.js.example
+++ b/config/environments/test.js.example
@@ -10,7 +10,7 @@ var config = {
         user: "publicuser",
         host: '127.0.0.1',
         port: 5432,
-        extent: "-20005048.4188,-20005048.4188,20005048.4188,20005048.4188",
+        extent: "-20037508.5,-20037508.5,20037508.5,20037508.5",
         simplify: true,
         max_size: 500
     }