1 files changed, 2 insertions, 0 deletions
diff --git a/intern/cycles/kernel/osl/bssrdf.cpp b/intern/cycles/kernel/osl/bssrdf.cpp
index 29d2d93ce34..4b282fddad3 100644
--- a/intern/cycles/kernel/osl/bssrdf.cpp
+++ b/intern/cycles/kernel/osl/bssrdf.cpp
@@ -44,6 +44,8 @@ class CBSSRDFClosure : public CClosurePrimitive {
 
   void setup(ShaderData *sd, uint32_t path_flag, float3 weight)
   {
+    params.N = ensure_valid_reflection(sd->Ng, sd->I, params.N);
+
     if (method == u_burley) {
       alloc(sd, path_flag, weight, CLOSURE_BSSRDF_BURLEY_ID);
     }