diff --git a/frontend/src/main.ts b/frontend/src/main.ts
index 62da8c30b362c395e2a9eb90ee225aa37c9b3310..23650e5fde1a929fa2a497f0a619fdb4e486688f 100644
--- a/frontend/src/main.ts
+++ b/frontend/src/main.ts
@@ -11,8 +11,10 @@ function onInputHandler(event: Event) {
 }
 
 window.addEventListener("load", () => {
-	for (let el of document.getElementsByClassName('input-dispatch')) {
-		console.log(el);
-		el.addEventListener('input', onInputHandler);
+	if (document.getElementById('preview')) {
+		for (let el of document.getElementsByClassName('input-dispatch')) {
+			console.log(el);
+			el.addEventListener('input', onInputHandler);
+		}
 	}
 });