diff --git a/intern/cycles/util/util_transform.h b/intern/cycles/util/util_transform.h
index 8f4e2b46616..4bf3759dd75 100644
--- a/intern/cycles/util/util_transform.h
+++ b/intern/cycles/util/util_transform.h
@@ -41,8 +41,9 @@ __device_inline float3 transform(const Transform *t, const float3 a)
 {
 	float4 b = make_float4(a.x, a.y, a.z, 1.0f);
 	float3 c = make_float3(dot(t->x, b), dot(t->y, b), dot(t->z, b));
+	float w = dot(t->w, b);
 
-	return c/dot(t->w, b);
+	return (w != 0.0f)? c/w: make_float3(0.0f, 0.0f, 0.0f);
 }
 
 __device_inline float3 transform_direction(const Transform *t, const float3 a)