diff --git a/RecoVertex/PrimaryVertexProducer/interface/PrimaryVertexProducerAlgorithm.h b/RecoVertex/PrimaryVertexProducer/interface/PrimaryVertexProducerAlgorithm.h
index c273d3d6129b5..421463797e2a1 100644
--- a/RecoVertex/PrimaryVertexProducer/interface/PrimaryVertexProducerAlgorithm.h
+++ b/RecoVertex/PrimaryVertexProducer/interface/PrimaryVertexProducerAlgorithm.h
@@ -82,6 +82,7 @@ class PrimaryVertexProducerAlgorithm : public VertexReconstructor {
   edm::InputTag trackLabel;
   edm::InputTag beamSpotLabel;
 private:
+  using VertexReconstructor::vertices;
   // ----------member data ---------------------------
   TrackFilterForPVFindingBase* theTrackFilter; 
   TrackClusterizerInZ* theTrackClusterizer;