diff --git a/roles/docker/tasks/services/codimd.yml b/roles/docker/tasks/services/codimd.yml
index 94c8082..d58a0b9 100644
--- a/roles/docker/tasks/services/codimd.yml
+++ b/roles/docker/tasks/services/codimd.yml
@@ -43,9 +43,9 @@
 
     env:
       CMD_DB_URL: "postgres://codimd:{{ postgres_passwords.codimd }}@codimd_db:5432/codimd"
-      CMD_ALLOW_EMAIL_REGISTER: False
+      CMD_ALLOW_EMAIL_REGISTER: "False"
       CMD_IMAGE_UPLOAD_TYPE: "filesystem"
-      CMD_EMAIL: False
+      CMD_EMAIL: "False"
       CMD_LDAP_URL: "ldap://openldap"
       CMD_LDAP_BINDDN: "cn=admin,dc=data,dc=coop"
       CMD_LDAP_BINDCREDENTIALS: "{{ ldap_admin_password }}"
diff --git a/roles/docker/tasks/services/fider.yml b/roles/docker/tasks/services/fider.yml
index ab6e797..eb1dba5 100644
--- a/roles/docker/tasks/services/fider.yml
+++ b/roles/docker/tasks/services/fider.yml
@@ -32,8 +32,8 @@
       - name: external_services
       - name: postfix
     env:
-      GO_ENV: production
-      DATABASE_URL: postgres://fider:{{ postgres_passwords.fider }}@fider_db:5432/fider?sslmode=disable
+      GO_ENV: "production"
+      DATABASE_URL: "postgres://fider:{{ postgres_passwords.fider }}@fider_db:5432/fider?sslmode=disable"
       JWT_SECRET: "{{ fider_jwt_secret }}"
 
       EMAIL_NOREPLY: noreply@{{ fider.domain }}