diff --git a/docker-compose.env.example b/docker-compose.env.example
index 2aedbe73..905ff612 100644
--- a/docker-compose.env.example
+++ b/docker-compose.env.example
@@ -19,10 +19,10 @@ DATABASE_PORT=3306
 # having to create a .env file:
 # https://github.com/openSUSE/osem/blob/master/dotenv.example
 
-OSEM_NAME=Dockerized OSEM
-OSEM_HOSTNAME=http://localhost:9292
-OSEM_ERRBIT_HOST=localhost
-SECRET_KEY_BASE=changemechangemechangeme
+OSEM_NAME="Dockerized OSEM"
+OSEM_HOSTNAME="http://localhost:9292"
+OSEM_ERRBIT_HOST="localhost"
+SECRET_KEY_BASE=changemechangemechangeme"
 
 # these settings work for the MailHog server that is enabled by default in
 # docker-compose.yml
@@ -31,9 +31,10 @@ SECRET_KEY_BASE=changemechangemechangeme
 # your users are going to see the HTTP status 500 page
 # you should comment out or remove the mailhog service from docker-compose.yml,
 # too
-OSEM_EMAIL_ADDRESS=osem@mailhog
-OSEM_SMTP_AUTHENTICATION=login
-OSEM_SMTP_ADDRESS=mailhog
-OSEM_SMTP_PORT=1025
-OSEM_SMTP_USERNAME=mailhog
-OSEM_SMTP_PASSWORD=mailhog
+OSEM_EMAIL_ADDRESS="osem@mailhog"
+OSEM_SMTP_AUTHENTICATION="login"
+OSEM_SMTP_ADDRESS="mailhog"
+OSEM_SMTP_PORT="1025"
+OSEM_SMTP_USERNAME="mailhog"
+OSEM_SMTP_PASSWORD="mailhog"
+