diff --git a/src/Protocol/ActivityPub/Transmitter.php b/src/Protocol/ActivityPub/Transmitter.php
index d85f67a7cc..79263f8ac0 100644
--- a/src/Protocol/ActivityPub/Transmitter.php
+++ b/src/Protocol/ActivityPub/Transmitter.php
@@ -20,6 +20,7 @@ use Friendica\Model\Term;
 use Friendica\Model\User;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Content\Text\BBCode;
+use Friendica\Content\Text\Plaintext;
 use Friendica\Util\JsonLD;
 use Friendica\Util\LDSignature;
 use Friendica\Model\Profile;
@@ -1020,7 +1021,7 @@ class Transmitter
 			return $data;
 		}
 
-		$data['summary'] = null; // Ignore by now
+		$data['summary'] = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
 
 		if ($item['uri'] != $item['thr-parent']) {
 			$data['inReplyTo'] = $item['thr-parent'];
@@ -1054,6 +1055,8 @@ class Transmitter
 
 		if ($type == 'Note') {
 			$body = self::removePictures($body);
+		} elseif (($type == 'Article') && empty($data['summary'])) {
+			$data['summary'] = Plaintext::shorten(self::removePictures($body), 1000);
 		}
 
 		if ($type == 'Event') {
diff --git a/src/Protocol/Feed.php b/src/Protocol/Feed.php
index 3981a8860c..0cf1db7cb7 100644
--- a/src/Protocol/Feed.php
+++ b/src/Protocol/Feed.php
@@ -356,11 +356,20 @@ class Feed {
 			if (empty($body)) {
 				$body = trim(XML::getFirstNodeValue($xpath, 'content:encoded/text()', $entry));
 			}
-			if (empty($body)) {
-				$body = trim(XML::getFirstNodeValue($xpath, 'description/text()', $entry));
+
+			$summary = trim(XML::getFirstNodeValue($xpath, 'atom:summary/text()', $entry));
+
+			if (empty($summary)) {
+				$summary = trim(XML::getFirstNodeValue($xpath, 'description/text()', $entry));
 			}
+
 			if (empty($body)) {
-				$body = trim(XML::getFirstNodeValue($xpath, 'atom:summary/text()', $entry));
+				$body = $summary;
+				$summary = '';
+			}
+
+			if ($body == $summary) {
+				$summary = '';
 			}
 
 			// remove the content of the title if it is identically to the body
@@ -411,6 +420,10 @@ class Feed {
 				$item["object-type"] = ACTIVITY_OBJ_BOOKMARK;
 				unset($item["attach"]);
 			} else {
+				if (!empty($summary)) {
+					$item["body"] = '[abstract]' . HTML::toBBCode($summary, $basepath) . "[/abstract]\n" . $item["body"];
+				}
+
 				if ($contact["fetch_further_information"] == 3) {
 					if (!empty($tags)) {
 						$item["tag"] = $tags;