diff --git a/config/environments/development.js.example b/config/environments/development.js.example
index caed4f92..0a2c36ee 100644
--- a/config/environments/development.js.example
+++ b/config/environments/development.js.example
@@ -17,7 +17,8 @@ var config = {
         extent: "-180,-90,180,90",
         srid: 4326,
         */
-        simplify: true
+        simplify: true,
+        max_size: 500
     }
     ,mapnik_version: undefined
     ,millstone: {
diff --git a/config/environments/production.js.example b/config/environments/production.js.example
index 8d910b7b..8e7c0c8f 100644
--- a/config/environments/production.js.example
+++ b/config/environments/production.js.example
@@ -11,7 +11,8 @@ var config = {
         host: '127.0.0.1',
         port: 6432,
         extent: "-20005048.4188,-20005048.4188,20005048.4188,20005048.4188",
-        simplify: true
+        simplify: true,
+        max_size: 500
     }
     ,mapnik_version: undefined
     ,millstone: {
diff --git a/config/environments/staging.js.example b/config/environments/staging.js.example
index 9c10dad7..9ba1ddfa 100644
--- a/config/environments/staging.js.example
+++ b/config/environments/staging.js.example
@@ -11,7 +11,8 @@ var config = {
         host: '127.0.0.1',
         port: 6432,
         extent: "-20005048.4188,-20005048.4188,20005048.4188,20005048.4188",
-        simplify: true
+        simplify: true,
+        max_size: 500
     }
     ,mapnik_version: undefined
     ,millstone: {
diff --git a/config/environments/test.js.example b/config/environments/test.js.example
index 908d39a6..befe1e4d 100644
--- a/config/environments/test.js.example
+++ b/config/environments/test.js.example
@@ -11,7 +11,8 @@ var config = {
         host: '127.0.0.1',
         port: 5432,
         extent: "-20005048.4188,-20005048.4188,20005048.4188,20005048.4188",
-        simplify: true
+        simplify: true,
+        max_size: 500
     }
     ,mapnik_version: '2.0.2'
     ,millstone: {