diff --git a/debian/changelog b/debian/changelog
index 070363ea..393fe564 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-hedera-web (1.407.27) stable; urgency=low
+hedera-web (1.407.28) stable; urgency=low
 
   * Initial Release.
 
diff --git a/debian/cron.d b/debian/cron.d
index ee465ec7..73230e70 100755
--- a/debian/cron.d
+++ b/debian/cron.d
@@ -5,4 +5,5 @@ MAILTO=webmaster
 0     23  * * *   root  hedera-web.php -m edi/clean
 0      5  * * *   root  hedera-web.php -m edi/update
 0      5  * * *   root  hedera-web.php -m misc/exchange-rate
+0      0  * * *   root  hedera-web.php -m image/sync
 0    */1  * * *   root  /usr/share/hedera-web/utils/update-browscap.sh > /dev/null
diff --git a/package.json b/package.json
index 51e33b1a..ae178e33 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hedera-web",
-  "version": "1.407.27",
+  "version": "1.407.28",
   "description": "Verdnatura web page",
   "license": "GPL-3.0",
   "repository": {
diff --git a/rest/image/sync.php b/rest/image/sync.php
index 7882ebaf..eeee48ee 100644
--- a/rest/image/sync.php
+++ b/rest/image/sync.php
@@ -49,22 +49,36 @@ class Sync extends Vn\Lib\Method {
 
 			// Deletes unreferenced images.
 
-			$res = $db->query(
-				'SELECT `name`, collectionFk
-					FROM `image`
-					WHERE nRefs = 0 AND collectionFk = #collection',
-				['collection' => $collection]
-			);
+			try {
+				$db->query('START TRANSACTION');
+				$res = $db->query(
+					'SELECT id, `name`, collectionFk
+						FROM `image`
+						WHERE nRefs = 0 AND collectionFk = #collection
+						FOR UPDATE',
+					['collection' => $collection]
+				);
 
-			while ($image = $res->fetch_object()) {
-				$deleteCount++;
-				$this->recycle("$collection/full/{$image->name}.png");
+				while ($image = $res->fetch_object())
+				if (!empty($image) && !in_array($image->name, ['.', '..'])) {
+					$deleteCount++;
+					$this->recycle("$collection/full/{$image->name}.png");
 
-				foreach ($info['sizes'] as $size => $i)
-					$this->recycle("$collection/$size/{$image->name}.png");
+					foreach ($info['sizes'] as $size => $i)
+						$this->recycle("$collection/$size/{$image->name}.png");
+
+					$db->query(
+						'DELETE FROM `image`
+							WHERE nRefs = 0 AND id = #id',
+						['id' => $image->id]
+					);
+				}
+
+				$res->free();
+				$db->query('COMMIT');
+			} catch(Exception $e) {
+				$db->query('ROLLBACK');
 			}
-
-			$res->free();
 		}
 
 		echo "Syncronization finished. $deleteCount images moved to trash.\n";