diff --git a/intern/cycles/bvh/split.cpp b/intern/cycles/bvh/split.cpp
index b794a9e2559..71ba3eb7d05 100644
--- a/intern/cycles/bvh/split.cpp
+++ b/intern/cycles/bvh/split.cpp
@@ -444,11 +444,11 @@ void BVHSpatialSplit::split_point_primitive(const PointCloud *pointcloud,
   }
   point = get_unaligned_point(point);
 
-  if (point[dim] <= pos) {
+  if (point[dim] - radius <= pos) {
     left_bounds.grow(point, radius);
   }
 
-  if (point[dim] >= pos) {
+  if (point[dim] + radius >= pos) {
     right_bounds.grow(point, radius);
   }
 }