diff --git a/src/Module/Contact/Hovercard.php b/src/Module/Contact/Hovercard.php
index 953d7e7a7f..5c82fd2c42 100644
--- a/src/Module/Contact/Hovercard.php
+++ b/src/Module/Contact/Hovercard.php
@@ -44,11 +44,12 @@ class Hovercard extends BaseModule
 			throw new HTTPException\ForbiddenException();
 		}
 
-		// If a contact is connected the url is internally changed to 'contact/redir/CID'. We need the pure url to search for
-		// the contact. So we strip out the contact id from the internal url and look in the contact table for
-		// the real url (nurl)
-		if (strpos($contact_url, 'contact/') === 0) {
-			$remote_contact = Contact::selectFirst(['nurl'], ['id' => intval(basename($contact_url))]);
+		/* Possible formats for relative URLs that need to be converted to the absolute contact URL:
+		 * - contact/redir/123456
+		 * - contact/123456/conversations
+		 */
+		if (strpos($contact_url, 'contact/') === 0 && preg_match('/(\d+)/', $contact_url, $matches)) {
+			$remote_contact = Contact::selectFirst(['nurl'], ['id' => $matches[1]]);
 			$contact_url = $remote_contact['nurl'] ?? '';
 		}