diff --git a/lib/tx.js b/lib/tx.js
index 52a39906..8db3424f 100644
--- a/lib/tx.js
+++ b/lib/tx.js
@@ -75,7 +75,8 @@ function customerHistory (customerId, thresholdDays) {
     FROM cash_out_txs txOut
     WHERE txOut.customer_id = $1
     AND txOut.created > now() - interval $2
-    AND (timedout = true OR error_code != 'operatorCancel')
+    AND timedout IS false
+    AND error_code IS DISTINCT FROM 'operatorCancel'
     AND fiat > 0
     ORDER BY created;`