1 files changed, 1 insertions, 1 deletions
diff --git a/xform.c b/xform.c
index 4351113..c661688 100644
--- a/xform.c
+++ b/xform.c
@@ -64,7 +64,7 @@ world2clip(Camera *c, Point3 p)
 Point3
 clip2ndc(Point3 p)
 {
-	p.w = p.w == 0? 1: 1.0/p.w;
+	p.w = p.w == 0? 0: 1.0/p.w;
 	p.x *= p.w;
 	p.y *= p.w;
 	p.z *= p.w;