diff --git a/js/id/behavior/hash.js b/js/id/behavior/hash.js
index 54c1ead0e..fb6309f6c 100644
--- a/js/id/behavior/hash.js
+++ b/js/id/behavior/hash.js
@@ -30,7 +30,7 @@ iD.behavior.Hash = function(context) {
         if (s0 !== s1) location.replace(s0 = s1); // don't recenter the map!
     }
 
-    var move = _.throttle(update, 500, {leading: false});
+    var move = _.throttle(update, 500);
 
     function hashchange() {
         if (location.hash === s0) return; // ignore spurious hashchange events