diff --git a/docker-compose.yml b/docker-compose.yml
index b6a3644e65ba0093afdcada94357a4508ea68a77..d19800a112fda4baeeb7668c26410d907f03b0cb 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,7 +19,6 @@ services:
         volumes:
             - _run_ldap:/run/slapd
         environment:
-            PLA_HOST: ldapi://%2frun%2fslapd%2fldapi
             PLA_BASE_DN: 'dc=nowhere,dc=com'
             PLA_BIND_ID: 'cn=admin,dc=nowhere,dc=com'
         ports:
diff --git a/phpldapadmin/Dockerfile b/phpldapadmin/Dockerfile
index c62ffd3b80a9784e6a56d648bdb46e343ba5ebd6..c4043961c9b266a0d71b886d1faa1e29d65dbde2 100644
--- a/phpldapadmin/Dockerfile
+++ b/phpldapadmin/Dockerfile
@@ -6,5 +6,6 @@ RUN apk add --update --no-cache phpldapadmin php5-apache2 php5-openssl && \
 
 COPY --chown=root:root config.php /usr/share/webapps/phpldapadmin/config/
 COPY --chown=root:root phpldapadmin.conf /etc/apache2/conf.d/
+ENV PLA_HOST=ldapi://%2frun%2fslapd%2fldapi
 CMD [ "httpd", "-DFOREGROUND" ]
 HEALTHCHECK CMD wget --spider --quiet http://localhost/htdocs/index.php || exit 1