diff --git a/src/index.php b/src/index.php
index 5e7bc19..66a0416 100644
--- a/src/index.php
+++ b/src/index.php
@@ -26,7 +26,7 @@ if($_SESSION['type'] !== 'super') {
     $db->where("id_owner", $_SESSION['user_id']);
     $db->orWhere ("id_owner", NULL, 'IS');
 }
-$numScan = $db->getOne(DATABASE_PREFIX."dynamic_qrcodes", "sum(scan) as numScan");
+$numScan = $db->getOne("dynamic_qrcodes", "sum(scan) as numScan");
 
                                                 /* CREATED CHART */
 //I initialize the variables that will contain the daily values to 0 otherwise in the foreach loop they will be reset every time
diff --git a/src/lib/Users/Users.php b/src/lib/Users/Users.php
index e81610d..0851906 100644
--- a/src/lib/Users/Users.php
+++ b/src/lib/Users/Users.php
@@ -40,7 +40,7 @@ class Users
         $db = getDbInstance();
 
         $db->where('id', $id);
-        $result = $db->getOne(DATABASE_PREFIX.'users');
+        $result = $db->getOne('users');
 
         if($result !== NULL)
             return $result;
diff --git a/src/read.php b/src/read.php
index 27bef52..2a99ee5 100644
--- a/src/read.php
+++ b/src/read.php
@@ -7,7 +7,7 @@ if($_SERVER["REQUEST_METHOD"] !== "GET" || !isset($_GET['id']))
 $db = getDbInstance();
 
 $db->where("identifier", $_GET['id']);
-$qrcode = $db->getOne(DATABASE_PREFIX."dynamic_qrcodes");
+$qrcode = $db->getOne("dynamic_qrcodes");
 
 $data = array (
     'scan' => $db->inc(1)