diff --git a/public/include/classes/transaction.class.php b/public/include/classes/transaction.class.php
index f1c9907c..79d5ba66 100644
--- a/public/include/classes/transaction.class.php
+++ b/public/include/classes/transaction.class.php
@@ -133,7 +133,7 @@ class Transaction {
         LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
         WHERE (
           ( t.type IN ('Credit','Bonus') AND b.confirmations >= ? ) OR
-          t.type = 'Credit_PPS'
+          ( t.type = 'Credit_PPS' )
         )
       ) AS t1,
       (
diff --git a/sql/issue_70_transactions_upgrade.sql b/sql/issue_70_transactions_upgrade.sql
new file mode 100644
index 00000000..90561397
--- /dev/null
+++ b/sql/issue_70_transactions_upgrade.sql
@@ -0,0 +1 @@
+ALTER TABLE  `transactions` CHANGE  `type`  `type` ENUM(  'Credit',  'Debit_MP',  'Debit_AP',  'Donation',  'Fee',  'Orphan_Credit',  'Orphan_Fee',  'Orphan_Donation',  'Bonus',  'Orphan_Bonus',  'Credit_PPS',  'Debit_PPS',  'Donation_PPS' ) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL;