diff --git a/intern/cycles/kernel/osl/osl_closures.cpp b/intern/cycles/kernel/osl/osl_closures.cpp
index cc78c14ee85..51a7a03342e 100644
--- a/intern/cycles/kernel/osl/osl_closures.cpp
+++ b/intern/cycles/kernel/osl/osl_closures.cpp
@@ -181,6 +181,11 @@ void OSLShader::register_closures(OSLShadingSystem *ss_)
 		bsdf_ward_params(), bsdf_ward_prepare);
 	register_closure(ss, "ashikhmin_velvet", id++,
 		bsdf_ashikhmin_velvet_params(), bsdf_ashikhmin_velvet_prepare);
+	register_closure(ss, "westin_backscatter", id++,
+		bsdf_westin_backscatter_params(), bsdf_westin_backscatter_prepare);
+	register_closure(ss, "westin_sheen", id++,
+		bsdf_westin_sheen_params(), bsdf_westin_sheen_prepare);
+
 	register_closure(ss, "emission", id++,
 		closure_emission_params(), closure_emission_prepare);
 	register_closure(ss, "background", id++,
@@ -197,10 +202,6 @@ void OSLShader::register_closures(OSLShadingSystem *ss_)
 		closure_bsdf_diffuse_toon_params(), closure_bsdf_diffuse_toon_prepare);
 	register_closure(ss, "specular_toon", id++,
 		closure_bsdf_specular_toon_params(), closure_bsdf_specular_toon_prepare);
-	register_closure(ss, "westin_backscatter", id++,
-		closure_westin_backscatter_params(), closure_westin_backscatter_prepare);
-	register_closure(ss, "westin_sheen", id++,
-		closure_westin_sheen_params(), closure_westin_sheen_prepare);
 	register_closure(ss, "bssrdf_cubic", id++,
 		closure_bssrdf_params(), closure_bssrdf_prepare);
 }