diff --git a/models/PhotoLinks.php b/models/PhotoLinks.php
index a01bf9c..409a603 100644
--- a/models/PhotoLinks.php
+++ b/models/PhotoLinks.php
@@ -17,9 +17,13 @@ class PhotoLinks extends Model
 	static function addLink($photo, $url)
 	{
 		$parsedUrl = parse_url($url);
+		$host = isset($parsedUrl['host']) ? $parsedUrl['host'] : '';
 		$photoDetails = explode('_', $photo);
-		$pointId = (int) $photoDetails[0];
-		App::DB()->query('INSERT INTO photoLinks VALUES ("' . $photo . '", "' . $pointId . '","' . $url . '","' . $parsedUrl['host'] . '") ON DUPLICATE KEY UPDATE url=url;');
+		$pointId = isset($photoDetails[0]) ? (int) $photoDetails[0] : 0;
+
+		if ($pointId) {
+			App::DB()->query('INSERT INTO photoLinks VALUES ("' . $photo . '", "' . $pointId . '","' . $url . '","' . $host . '") ON DUPLICATE KEY UPDATE url=url;');
+		}
 	}
 
 	static function getCaption($photo)