diff --git a/index.html b/index.html
index 50d12f4..39e0749 100644
--- a/index.html
+++ b/index.html
@@ -347,7 +347,8 @@ function scroll_load() {
 }
 function filter_load() {
   var needle=get_cookie("filter");
-  if (needle===null) { return }
+  if (needle===null) { return; }
+  if (needle.startsWith("/")) { needle=""; }
   document.getElementById("filter").value=needle;
 }
 function get_cookie(name) {