diff --git a/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml b/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml
index 4d1818d0..f83c78f0 100644
--- a/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml
@@ -176,19 +176,19 @@ matrix_mautrix_whatsapp_configuration_yaml: |
           # The management room for the bot. This is where all status notifications are posted and
           # in this room, you can use `!wa <command>` instead of `!wa relaybot <command>`. Omitting
           # the command prefix completely like in user management rooms is not possible.
-          management: !foo:example.com
+          management: '!foo:example.com'
           # List of users to invite to all created rooms that include the relaybot.
           invites: []
           # The formats to use when sending messages to WhatsApp via the relaybot.
           message_formats:
-              m.text: "<b>{{ .Sender.Displayname }}</b>: {{ .Message }}"
-              m.notice: "<b>{{ .Sender.Displayname }}</b>: {{ .Message }}"
-              m.emote: "* <b>{{ .Sender.Displayname }}</b> {{ .Message }}"
-              m.file: "<b>{{ .Sender.Displayname }}</b> sent a file"
-              m.image: "<b>{{ .Sender.Displayname }}</b> sent an image"
-              m.audio: "<b>{{ .Sender.Displayname }}</b> sent an audio file"
-              m.video: "<b>{{ .Sender.Displayname }}</b> sent a video"
-              m.location: "<b>{{ .Sender.Displayname }}</b> sent a location"
+              m.text: "<b>{{ '{{ .Sender.Displayname }}' }}</b>: {{ '{{ .Message }}' }}"
+              m.notice: "<b>{{ '{{ .Sender.Displayname }}' }}</b>:: {{ '{{ .Message }}' }}"
+              m.emote: "* <b>{{ '{{ .Sender.Displayname }}' }}</b>: {{ '{{ .Message }}' }}"
+              m.file: "<b>{{ '{{ .Sender.Displayname }}' }}</b>: sent a file"
+              m.image: "<b>{{ '{{ .Sender.Displayname }}' }}</b>: sent an image"
+              m.audio: "<b>{{ '{{ .Sender.Displayname }}' }}</b>: sent an audio file"
+              m.video: "<b>{{ '{{ .Sender.Displayname }}' }}</b>: sent a video"
+              m.location: "<b>{{ '{{ .Sender.Displayname }}' }}</b>: sent a location"
   # Logging config.
   logging:
       # The directory for log files. Will be created if not found.