diff --git a/intern/cycles/kernel/svm/svm_closure.h b/intern/cycles/kernel/svm/svm_closure.h
index e4e3b683cd1..ed3f277e898 100644
--- a/intern/cycles/kernel/svm/svm_closure.h
+++ b/intern/cycles/kernel/svm/svm_closure.h
@@ -402,7 +402,7 @@ ccl_device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *
 						sc->data2 = 0.0f;
 					}
 					else
-						sc->T = sd->dPdu;
+						sc->T = normalize(sd->dPdu);
 
 					if(type == CLOSURE_BSDF_HAIR_REFLECTION_ID) {
 						sd->flag |= bsdf_hair_reflection_setup(sc);