diff --git a/config.example.yaml b/config.example.yaml
index 5672692e225cfb2000bb55836064ffe3d64cc98f..8472a353eca86607082aefe7b5c5c300ec2fadb9 100644
--- a/config.example.yaml
+++ b/config.example.yaml
@@ -40,7 +40,7 @@ cristin_ms:
     iga_impl: cerebrum@uio
     url: "http://api-gateway.uio.no/cerebrum-preprod"
     headers:
-      X-Gravitee-Api-Key: "{{ iga_api_key | default("") }}"
+      X-Gravitee-Api-Key: '{{ iga_api_key | default("") }}'
     params: {}
 
 
@@ -51,10 +51,10 @@ celery:
   # The following configuration uses a separate vhost for the celery queues, in
   # order to let the base vhost be a wee bit more oversightly.
   # Example: broker_url: "amqps://username:password@rabbitmq.example.com//your-vhost/celery"
-  broker_url: "{{ cristin_ms_rabbitmq_url | default("") }}/celery"
+  broker_url: '{{ cristin_ms_rabbitmq_url | default("") }}/celery'
   # Set a hostname below if amqps is behind a proxy requiring SNI
   broker_use_ssl:
-    server_hostname: "{{ rabbitmq_host | default("") }}"
+    server_hostname: '{{ rabbitmq_host | default("") }}'
   # Set appropriate queue and exchange names. If this is not done, tasks added
   # by one instance of cristin-ms will be consumed by some other instance of
   # cristin-ms *if* they are running under the same vhost.
@@ -98,12 +98,12 @@ tasks:
         transform: 'cristin_ms.transforms:event_transform'
 
 tofh.plugins.mq:
-  username: "{{ rabbitmq_username | default("") }}"
-  password: "{{ rabbitmq_password | default("") }}"
-  host: "{{ rabbitmq_host | default("") }}"
-  port: "{{ rabbitmq_port | default("") }}"
+  username: '{{ rabbitmq_username | default("") }}'
+  password: '{{ rabbitmq_password | default("") }}'
+  host: '{{ rabbitmq_host | default("") }}'
+  port: '{{ rabbitmq_port | default("") }}'
   ssl_enable: true
-  vhost: "{{ cristin_ms_rabbitmq_vhost | default("") }}"
+  vhost: '{{ cristin_ms_rabbitmq_vhost | default("") }}'
   exchanges:
     - name: ex_cristin
       type: topic