diff --git a/core/classes.php b/core/classes.php
index a7fb600..2144c5a 100644
--- a/core/classes.php
+++ b/core/classes.php
@@ -63,7 +63,7 @@ class PartyStarter {
    
       $time = time();
    if($user->getLastPaid() !== NULL) {
-   $dateToCheck = $user->getLastPaid();
+   $dateToCheck = (int)$user->getLastPaid();
    $dateToCheck += 86400;
    if($time >= $dateToCheck) {
    $q = $con->prepare("UPDATE users SET lastPaid=:lastPaid, money=money+:price WHERE id=:id");