diff --git a/src/moi_nlp_model.jl b/src/moi_nlp_model.jl
index eea3e57..c519e78 100644
--- a/src/moi_nlp_model.jl
+++ b/src/moi_nlp_model.jl
@@ -424,7 +424,7 @@ function NLPModels.hprod!(
     for k = 1:length(qcon.hessian.vals)
       hv[qcon.hessian.rows[k]] += qcon.hessian.vals[k] * v[qcon.hessian.cols[k]]
     end
-    hv[i] *= obj_weight * y[nlp.meta.nlin + i]
+    hv[i] *= y[nlp.meta.nlin + i]
   end
   if (nlp.obj.type == "NONLINEAR") || (nlp.meta.nnln > nlp.quadcon.nquad)
     ind_nln = (nlp.meta.nlin + nlp.quadcon.nquad + 1):(nlp.meta.ncon)