diff --git a/src/front/index.ts b/src/front/index.ts
index 7fb054e..14f9d28 100644
--- a/src/front/index.ts
+++ b/src/front/index.ts
@@ -2,30 +2,27 @@ export * from "./controllers.js";
 
 (function enableScrollPreservation() {
 	/* https://github.com/hotwired/turbo/issues/37#issuecomment-1422200868 */
-	Turbo.scrollTop = 0;
+	let scrollTop = 0;
 
-	Turbo.shouldPreserveScroll = false;
-
-	let shouldPreserveScroll = 0;
+	let shouldPreserveScroll = false;
 
 	document.addEventListener("turbo:click", function (event) {
-		if (event.target.hasAttribute("data-turbo-preserve-scroll")) {
+		if ((event.target as HTMLDivElement).hasAttribute("data-turbo-preserve-scroll")) {
 			shouldPreserveScroll = true;
 		} else {
 			shouldPreserveScroll = false;
 		}
 	});
 
-	document.addEventListener("turbo:visit", function (event) {
+	document.addEventListener("turbo:visit", function () {
 		if (shouldPreserveScroll) {
-			Turbo.scrollTop = document.documentElement.scrollTop;
+			scrollTop = document.documentElement.scrollTop;
 		} else {
-			Turbo.scrollTop = 0;
+			scrollTop = 0;
 		}
 	});
 
 	addEventListener("turbo:visit", () => {
-		Turbo.navigator.currentVisit.scrolled = true;
-		document.documentElement.scrollTop = Turbo.scrollTop;
+		document.documentElement.scrollTop = scrollTop;
 	});
 })();