diff --git a/modules/caddyhttp/fileserver/browsetpl.go b/modules/caddyhttp/fileserver/browsetpl.go
index 72b0ec67b..06ef06d63 100644
--- a/modules/caddyhttp/fileserver/browsetpl.go
+++ b/modules/caddyhttp/fileserver/browsetpl.go
@@ -430,7 +430,7 @@ footer {
 		</footer>
 		<script>
 			var filterEl = document.getElementById('filter');
-			filterEl.focus();
+			filterEl.focus({ preventScroll: true });
 
 			function initFilter() {
 				if (!filterEl.value) {