diff --git a/dev/docker-entrypoint.sh b/dev/docker-entrypoint.sh
index c498dd3297..bc979a60ae 100755
--- a/dev/docker-entrypoint.sh
+++ b/dev/docker-entrypoint.sh
@@ -3,8 +3,6 @@
 set -xeu
 node --version
 
-FIREFISH_URL='http://localhost:3030'
-
 # Check Environment Initialized Flag
 if [ ! -f '/.firefish_env_initialized' ]; then
 
@@ -26,7 +24,7 @@ if [ ! -f '/.firefish_env_initialized' ]; then
 		cd /firefish
 		cp .config/devenv.yml .config/default.yml
 
-		URL="$(echo "${FIREFISH_URL}" | sed 's#/#\\/#g')"
+		URL="$(echo "${URL}" | sed 's#/#\\/#g')"
 		sed -i'.bak' "s/http:\/\/localhost:3030/${URL}/g" .config/default.yml 
 		rm .config/defaut.yml.bak
 
diff --git a/docs/development.md b/docs/development.md
index b87e0e1e70..1c8dd85cfd 100644
--- a/docs/development.md
+++ b/docs/development.md
@@ -17,7 +17,7 @@ The Firefish repo comes with a new containerized environment to help make develo
 
 1. Run `git clone https://firefish.dev/firefish/firefish.git && cd firefish` to fetch needed files.
     - If you don't want to clone the entire repository, you can just download the [`dev` directory](https://firefish.dev/firefish/firefish/-/tree/develop/dev) and execute `chmod +x dev/docker-entrypoint.sh`.
-1. Open `dev/docker-compose.yml` and set `FIREFISH_URL` to the URL you want to use (or leave it to `http://localhost:3030`).
+1. Open `dev/docker-compose.yml` and set `URL` to the URL you want to use (or leave it to `http://localhost:3030`).
 1. Run `docker compose --file dev/docker-compose.yml up`. This will build the environment, dependencies and prepare the needed config files.
     - If you use Podman, you should run `podman-compose --file dev/docker-compose.yml up` instead.
 1. Wait until the following message shows up.