diff --git a/src/Worker/Delivery.php b/src/Worker/Delivery.php
index e59ea37aad..cc06f17923 100644
--- a/src/Worker/Delivery.php
+++ b/src/Worker/Delivery.php
@@ -251,17 +251,19 @@ class Delivery extends BaseObject
 	 */
 	private static function deliverDFRN($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup)
 	{
-/*
-		if (Diaspora::isReshare($target_item['body'])) {
-			// Transmit Diaspora reshares only via Diaspora
+		// Transmit Diaspora reshares via Diaspora if the Friendica contact support Diaspora
+		if (Diaspora::isReshare($target_item['body']) && !empty(Diaspora::personByHandle(contact['addr'], false))) {
+			Logger::info('Reshare will be transmitted via Diaspora', ['url' => $contact['url'], 'guid' => ($target_item['guid'] ?? '') ?: $target_item['id']]);
 			self::deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
 			return;
 		}
 
-		if (ActivityPub\Transmitter::::isAnnounce($target_item) && getby) {
+		// Skip transmitting the announce via DFRN when it had already been done via AP
+		if (ActivityPub\Transmitter::isAnnounce($target_item) && !empty(Model\APContact::getByURL($contact['url'], false))) {
+			Logger::info('Announce had already been transmitted', ['url' => $contact['url'], 'guid' => ($target_item['guid'] ?? '') ?: $target_item['id']]);
 			return;
 		}
-*/
+
 		Logger::info('Deliver ' . (($target_item['guid'] ?? '') ?: $target_item['id']) . ' via DFRN to ' . (($contact['addr'] ?? '') ?: $contact['url']));
 
 		if ($cmd == self::MAIL) {