diff --git a/dataCollector/dataCollector.php b/dataCollector/dataCollector.php
index 805a473..d4af269 100644
--- a/dataCollector/dataCollector.php
+++ b/dataCollector/dataCollector.php
@@ -31,8 +31,7 @@ function saveToDatabase($contentArray, $conn) {
     $sql1 = "SELECT * FROM `topics` WHERE id='".$contentArray[0]."'";
     $result1 = $conn->query($sql1);
     echo "Select Query sent<br>";
-
-    if(!mysql_num_rows($result1)) {
+    if($result1->num_rows === 0) {
         $sql = "INSERT INTO `topics` (`id`, `fullJSON`, `timeWatchM`,`timeWatchW`, `timeWatchD`, `countWatchM`, `countWatchW`, `countWatchD`) values ('".$contentArray[0]."', '".$contentArray[2]."', ".$contentArray[3].", ".$contentArray[4].", ".$contentArray[5].", ".$contentArray[6].", ".$contentArray[7].", ".$contentArray[8].") ON DUPLICATE KEY UPDATE `id` = '".$contentArray[0]."'";
         $result = $conn->query($sql);
         echo "Insert Query sent<br> Result: " . $result;