diff --git a/Makefile b/Makefile
index c22d5a80a..8b9d9bc39 100644
--- a/Makefile
+++ b/Makefile
@@ -315,7 +315,7 @@ D3_FILES = \
 
 d3:
 	node_modules/.bin/smash $(D3_FILES) > js/lib/d3.v3.js
-	@echo 'd3 rebuilt. Please reapply 7e2485d, 4da529f, and 223974d'
+	@echo 'd3 rebuilt. Please reapply 7e2485d, 4da529f, 223974d and 71a3d3e'
 
 lodash:
 	node_modules/.bin/lodash --development --output js/lib/lodash.js include="includes,toPairs,assign,bind,chunk,clone,compact,debounce,difference,each,every,extend,filter,find,first,forEach,forOwn,groupBy,indexOf,intersection,isEmpty,isEqual,isFunction,keys,last,map,omit,reject,some,throttle,union,uniq,values,without,flatten,value,chain,cloneDeep,merge,pick,reduce" exports="global,node"
diff --git a/js/lib/d3.v3.js b/js/lib/d3.v3.js
index e05ce8547..425122a37 100644
--- a/js/lib/d3.v3.js
+++ b/js/lib/d3.v3.js
@@ -1820,8 +1820,7 @@ d3.behavior.zoom = function() {
   }
 
   function zoomended(dispatch) {
-    if (!--zooming) dispatch({type: "zoomend"});
-    center0 = null;
+    if (!--zooming) dispatch({type: "zoomend"}), center0 = null;
   }
 
   function mousedowned() {
@@ -1964,7 +1963,7 @@ d3.behavior.zoom = function() {
   function mousewheeled() {
     var dispatch = event.of(this, arguments);
     if (mousewheelTimer) clearTimeout(mousewheelTimer);
-    else translate0 = location(center0 = center || d3.mouse(this)), d3_selection_interrupt.call(this), zoomstarted(dispatch);
+    else d3_selection_interrupt.call(this), translate0 = location(center0 = center || d3.mouse(this)), zoomstarted(dispatch);
     mousewheelTimer = setTimeout(function() { mousewheelTimer = null; zoomended(dispatch); }, 50);
     d3_eventPreventDefault();
     scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);