diff --git a/src/scene/scene_forwardrenderer.js b/src/scene/scene_forwardrenderer.js
index 3a47124095e..1f9cf4966ee 100644
--- a/src/scene/scene_forwardrenderer.js
+++ b/src/scene/scene_forwardrenderer.js
@@ -569,6 +569,7 @@ pc.extend(pc, function () {
             for (i = 0; i < drawCallsCount; i++) {
                 drawCall = drawCalls[i];
                 visible = true;
+                meshPos = null;
                 if (!drawCall.command) {
                     if (drawCall._hidden) continue; // use _hidden property to quickly hide/show meshInstances
                     meshInstance = drawCall;
@@ -592,7 +593,7 @@ pc.extend(pc, function () {
                                 || btype === pc.BLEND_PREMULTIPLIED
                                 || btype === pc.BLEND_ADDITIVEALPHA) {
                                 // alpha sort
-                                if (! meshPos) meshPos = meshInstance.aabb.center;
+                                if (!meshPos) meshPos = meshInstance.aabb.center;
                                 var tempx = meshPos.x - camPos.x;
                                 var tempy = meshPos.y - camPos.y;
                                 var tempz = meshPos.z - camPos.z;