diff --git a/profiles/templates/profiles/_profile_card.html b/profiles/templates/profiles/_profile_card.html
index 4de67d657ae004a75ec2748fde7ae1d5bc8cb9d3..58412b5678836cb9864ea6b80eafa6296cdb6fb1 100644
--- a/profiles/templates/profiles/_profile_card.html
+++ b/profiles/templates/profiles/_profile_card.html
@@ -29,7 +29,7 @@
 	    {% endfor %}
 	  </td>
 	</tr>
-	<tr><td>ORCID ID</td><td><a href="https://orcid.org/{{ profile.orcid_id}}" target="_blank">{{ profile.orcid_id }}</a></td></tr>
+	<tr><td>ORCID ID</td><td><a href="//orcid.org/{{ profile.orcid_id }}" target="_blank">{{ profile.orcid_id }}</a></td></tr>
 	<tr><td>Webpage</td><td><a href="{{ profile.webpage }}" target="_blank">{{ profile.webpage }}</a></td></tr>
 	<tr><td>Accepts SciPost emails</td><td>{{ profile.accepts_SciPost_emails }}</td></tr>
 	<tr><td>Accepts refereeing requests</td><td>{{ profile.accepts_refereeing_requests }}</td></tr>