diff --git a/receipt-printer/script.js b/receipt-printer/script.js
index 3b2633f..8584df3 100644
--- a/receipt-printer/script.js
+++ b/receipt-printer/script.js
@@ -532,7 +532,10 @@ async function CustomEvent(data) {
 
     // Send it to the print routine!
     const receiptHTML = await GetRenderedHTML(instance);
-    client.doAction({ name: 'Receipt Printer | Print Routine' }, { receiptHTML: receiptHTML });
+    client.doAction({ name: 'Receipt Printer | Print Routine' }, {
+        receiptHTML: receiptHTML,
+        isTest: data.isTest
+    });
 }