diff --git a/static/js/transaction.js b/static/js/transaction.js
index abd1af7..e26b11f 100644
--- a/static/js/transaction.js
+++ b/static/js/transaction.js
@@ -1,10 +1,16 @@
 
 document.addEventListener("DOMContentLoaded", () => {
-	if (!page || !page1 || !pagePrev1 || !pageNext1 || !page2 || !pagePrev2 || !pageNext2 || !transactionFilterForm) {
+	if (typeof page === "undefined" ||
+		typeof page1 === "undefined" ||
+		typeof pagePrev1 === "undefined" ||
+		typeof pageNext1 === "undefined" ||
+		typeof page2 === "undefined" ||
+		typeof pagePrev2 === "undefined" ||
+		typeof pageNext2 === "undefined" ||
+		typeof transactionFilterForm === "undefined") {
 		return;
 	}
 
-
 	const scrollToTop = function() {
 		window.scrollTo(0, 0);
 	};