diff --git a/src/Database/PostUpdate.php b/src/Database/PostUpdate.php
index c40bfc98e7..acafea900c 100644
--- a/src/Database/PostUpdate.php
+++ b/src/Database/PostUpdate.php
@@ -34,6 +34,9 @@ class PostUpdate
 		if (!self::update1281()) {
 			return false;
 		}
+		if (!self::update1297()) {
+			return false;
+		}
 
 		return true;
 	}
@@ -377,4 +380,40 @@ class PostUpdate
 
 		return false;
 	}
+
+	/**
+	 * Set the delivery queue count to a negative value for all items preceding the feature.
+	 *
+	 * @return bool "true" when the job is done
+	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+	 */
+	private static function update1297()
+	{
+		// Was the script completed?
+		if (Config::get('system', 'post_update_version') >= 1297) {
+			return true;
+		}
+
+		$max_item_delivery_data = DBA::selectFirst('item-delivery-data', ['iid'], ['queue_count > 0 OR queue_done > 0'], ['order' => ['iid']]);
+		$max_iid = $max_item_delivery_data['iid'];
+
+		Logger::info('Start update1297 with max iid: ' . $max_iid);
+
+		$condition = ['`queue_count` = 0 AND `iid` < ?', $max_iid];
+
+		DBA::update('item-delivery-data', ['queue_count' => -1], $condition);
+
+		if (DBA::errorNo() != 0) {
+			Logger::error('Database error ' . DBA::errorNo() . ':' . DBA::errorMessage());
+			return false;
+		}
+
+		Logger::info('Processed rows: ' . DBA::affectedRows());
+
+		Config::set('system', 'post_update_version', 1297);
+
+		Logger::info('Done');
+
+		return true;
+	}
 }