diff --git a/src/barnesHut.js b/src/barnesHut.js
index 4290fe1..61a634e 100644
--- a/src/barnesHut.js
+++ b/src/barnesHut.js
@@ -78,11 +78,11 @@ export default function () {
     // Apply the Barnes-Hut approximation if possible.
     // Limit forces for very close nodes; randomize direction if coincident.
     if (w / l < theta) {
-      if (x === 0) {x = jiggle(); l += x * x;}
-      if (y === 0) {y = jiggle(); l += y * y;}
+      if (x === 0) { x = jiggle(); l += x * x; }
+      if (y === 0) { y = jiggle(); l += y * y; }
       if (quad.data) {
         l = (l - +distance(node, quad.data)) / l * alpha;
-        x *= l, y *= l;
+        x *= l; y *= l;
         quad.data.vx -= x;
         quad.data.vy -= y;
         node.vx += x;
@@ -93,8 +93,8 @@ export default function () {
 
     // Limit forces for very close nodes; randomize direction if coincident.
     if (quad.data !== node || quad.next) {
-      if (x === 0) {x = jiggle(); l += x * x;}
-      if (y === 0) {y = jiggle(); l += y * y;}
+      if (x === 0) { x = jiggle(); l += x * x; }
+      if (y === 0) { y = jiggle(); l += y * y; }
     }
 
     do {
diff --git a/src/hybridSimulation.js b/src/hybridSimulation.js
index 59176b4..8722760 100644
--- a/src/hybridSimulation.js
+++ b/src/hybridSimulation.js
@@ -36,7 +36,7 @@ export default function (sim, forceS, forceF) {
     simulation = sim,
     forceSample = forceS,
     forceFull = forceF,
-    event = d3.dispatch('sampleTick', 'fullTick', 'startInterp', 'end'),
+    event = dispatch('sampleTick', 'fullTick', 'startInterp', 'end'),
     initAlready = false,
     nodes,
     alreadyRanIterations,