diff --git a/benchmarks/dvmp/analysis/dvmp.h b/benchmarks/dvmp/analysis/dvmp.h
index 48d4dc8eed06a2f2845c78a9f88885f6086d30a4..31ac2b128119b6cdbf6fe5d0f500a71386a7b29f 100644
--- a/benchmarks/dvmp/analysis/dvmp.h
+++ b/benchmarks/dvmp/analysis/dvmp.h
@@ -88,9 +88,9 @@ namespace util {
       if( parts[i].pid!=daughter_pid) continue;
       for (int j = i + 1 ; j < parts.size() ; ++j) {
         if( parts[j].pid!= -daughter_pid) continue;
-        ROOT::Math::PxPyPzMVector lpt_1();
+        ROOT::Math::PxPyPzMVector lpt_1;
         lpt_1.SetPxPyPzE(parts[i].p.x, parts[i].p.y, parts[i].p.z, parts[i].energy);
-        ROOT::Math::PxPyPzMVector lpt_2();
+        ROOT::Math::PxPyPzMVector lpt_2;
         lpt_2.SetPxPyPzE(parts[j].p.x, parts[j].p.y, parts[j].p.z, parts[j].energy);        
         const double new_mass{(lpt_1 + lpt_2).mass()};
         if (fabs(new_mass - get_pdg_mass(mother)) < fabs(best_mass - get_pdg_mass(mother))) {