diff --git a/src/core/Void.js b/src/core/Void.js
index b33a763..2970201 100644
--- a/src/core/Void.js
+++ b/src/core/Void.js
@@ -174,7 +174,7 @@ class Void extends WebSocketEvents {
     return Math.floor(this.curRadius * 100 / TARGET_RADIUS);
   }
 
-  broadcastPixelBuffer(canvasId, chunkid, buffer) {
+  broadcastPixelBuffer(canvasId, chunkId, buffer) {
     const {
       i: pi,
       j: pj,
diff --git a/src/ui/placePixel.js b/src/ui/placePixel.js
index 845efc9..8056324 100644
--- a/src/ui/placePixel.js
+++ b/src/ui/placePixel.js
@@ -78,7 +78,7 @@ export function receivePixelUpdate(
   offset: number,
   color: ColorIndex,
 ) {
-  for (let p = 0; p < clientPredictions; p += 1) {
+  for (let p = 0; p < clientPredictions.length; p += 1) {
     const predPxl = clientPredictions[p];
     if (predPxl[0] === i
       && predPxl[1] === j