diff --git a/frontend/src/components/domains/DomainDNSConfig.vue b/frontend/src/components/domains/DomainDNSConfig.vue
index 128055312..30ef13b89 100644
--- a/frontend/src/components/domains/DomainDNSConfig.vue
+++ b/frontend/src/components/domains/DomainDNSConfig.vue
@@ -40,7 +40,7 @@ mail.{{ domain.name }}. IN A <strong>[<translate>IP address of your Modoboa serv
       >
       <div class="title">DMARC</div>
       <pre>
-_dmarc.{{ domain.name }}. IN TXT "v=DMARC1; p=quarantine; pct=100"</pre>
+_dmarc.{{ domain.name }}. IN TXT "v=DMARC1; p=quarantine; pct=100;"</pre>
     </v-alert>
     <v-alert
       border="left"
diff --git a/modoboa/dnstools/templates/dnstools/domain_dns_configuration.html b/modoboa/dnstools/templates/dnstools/domain_dns_configuration.html
index f76aa587b..4cddec0e7 100644
--- a/modoboa/dnstools/templates/dnstools/domain_dns_configuration.html
+++ b/modoboa/dnstools/templates/dnstools/domain_dns_configuration.html
@@ -24,10 +24,10 @@ mail.{{ domain.name }}. IN A <strong>[{% trans "IP address of your Modoboa serve
   {% endif %}
   DMARC
   <pre>
-_dmarc.{{ domain.name }}. IN TXT "v=DMARC1; p=quarantine; pct=100"</pre>
+_dmarc.{{ domain.name }}. IN TXT "v=DMARC1; p=quarantine; pct=100;"</pre>
   {% trans "Auto configuration" %}
   <pre>
 autoconfig.{{ domain.name }}. IN CNAME <strong>[{% trans "hostname of your automx server" %}]</strong>
 autodiscover.{{ domain.name }}. IN CNAME <strong>[{% trans "hostname of your automx server" %}]</strong></pre>
- 
+
 {% endblock %}