diff --git a/.env b/.env
index a685bd8e..297913e4 100644
--- a/.env
+++ b/.env
@@ -13,8 +13,8 @@ PGPASSWORD=openmaptiles
PGHOST=postgres
PGPORT=5432
-# BBOX may get overwritten by the computed bbox of the specific area:
-# make generate-dc-config
+# By default, tile generation is done for the full extent of the given area.
+# Modify BBOX below to overwrite it.
BBOX=-180.0,-85.0511,180.0,85.0511
# Which zooms to generate in make generate-tiles
diff --git a/QUICKSTART.md b/QUICKSTART.md
index b656faae..53851518 100644
--- a/QUICKSTART.md
+++ b/QUICKSTART.md
@@ -397,6 +397,17 @@ Hints:
* Small increments! Never starts with the `MAX_ZOOM = 14`
* The suggested `MAX_ZOOM = 14` - use only with small extracts
+### Set the bounding box to generate
+
+By default, tile generation is done for the full extent of the area.
+If you want to generate a tiles for a smaller extent, modify the settings in the `.env` file, the default:
+* `BBOX=-180.0,-85.0511,180.0,85.0511`
+
+Delete the `./data/.dc-config.yml` file, and re-start `./quickstart.sh `
+
+Hint:
+* The [boundingbox.klokantech.com](https://boundingbox.klokantech.com/) site can be used to find a bounding box (CSV format) using a map.
+
### Check other commands
`make help`
diff --git a/quickstart.sh b/quickstart.sh
index 26970c79..9e931a8e 100755
--- a/quickstart.sh
+++ b/quickstart.sh
@@ -263,11 +263,15 @@ make test-perf-null
echo " "
echo "-------------------------------------------------------------------------------------"
-if [[ "$area" != "planet" ]]; then
- echo "====> : Compute bounding box for tile generation"
- make generate-dc-config ${MIN_ZOOM:+MIN_ZOOM="${MIN_ZOOM}"} ${MAX_ZOOM:+MAX_ZOOM="${MAX_ZOOM}"}
+if [[ "$(source .env ; echo "$BBOX")" = "-180.0,-85.0511,180.0,85.0511" ]]; then
+ if [[ "$area" != "planet" ]]; then
+ echo "====> : Compute bounding box for tile generation"
+ make generate-dc-config ${MIN_ZOOM:+MIN_ZOOM="${MIN_ZOOM}"} ${MAX_ZOOM:+MAX_ZOOM="${MAX_ZOOM}"}
+ else
+ echo "====> : Skipping bbox calculation when generating the entire planet"
+ fi
else
- echo "====> : Skipping bbox calculation when generating the entire planet"
+ echo "====> : Bounding box is set in .env file"
fi
echo " "