diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index 1354bbdb89..644662e4ec 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -345,9 +345,14 @@ class Contact extends BaseObject
 		$fields = ['term-date' => NULL_DATE, 'archive' => false];
 		dba::update('contact', $fields, ['id' => $contact['id']]);
 
-		if ($contact['url'] != '') {
+		if (!empty($contact['url'])) {
 			dba::update('contact', $fields, ['nurl' => normalise_link($contact['url'])]);
 		}
+
+		if (!empty($contact['batch'])) {
+			$condition = ['batch' => $contact['batch'], 'contact-type' => ACCOUNT_TYPE_RELAY];
+			dba::update('contact', $fields, $condition);
+		}
 	}
 
 	/**
diff --git a/src/Protocol/PortableContact.php b/src/Protocol/PortableContact.php
index d5e9d8f8c6..f7ea27d679 100644
--- a/src/Protocol/PortableContact.php
+++ b/src/Protocol/PortableContact.php
@@ -1418,7 +1418,14 @@ class PortableContact
 
 		dba::delete('gserver-tag', ['gserver-id' => $gserver['id']]);
 		if ($data->scope == 'tags') {
+			// Avoid duplicates
+			$tags = [];
 			foreach ($data->tags as $tag) {
+				$tag = strtolower($tag);
+				$tags[$tag] = $tag;
+			}
+
+			foreach ($tags as $tag) {
 				dba::insert('gserver-tag', ['gserver-id' => $gserver['id'], 'tag' => $tag]);
 			}
 		}