diff --git a/PhysicsAnalysis/SUSYPhys/LongLivedParticleDPDMaker/LongLivedParticleDPDMaker/VHLowTrackJetFilterTool.h b/PhysicsAnalysis/SUSYPhys/LongLivedParticleDPDMaker/LongLivedParticleDPDMaker/VHLowTrackJetFilterTool.h
index 6ac78d78364dbdd93015af86949f471ac9158472..b928fd4ae9daa872c8bd3928477ae5a3bc188379 100644
--- a/PhysicsAnalysis/SUSYPhys/LongLivedParticleDPDMaker/LongLivedParticleDPDMaker/VHLowTrackJetFilterTool.h
+++ b/PhysicsAnalysis/SUSYPhys/LongLivedParticleDPDMaker/LongLivedParticleDPDMaker/VHLowTrackJetFilterTool.h
@@ -39,8 +39,8 @@ namespace DerivationFramework {
     virtual ~VHLowTrackJetFilterTool() = default;
     
     // Athena algtool's Hooks
-    StatusCode  initialize();
-    StatusCode  finalize() override;
+    virtual StatusCode  initialize() override;
+    virtual StatusCode  finalize() override;
     
     /** Check that the current event passes this filter */
     virtual bool eventPassesFilter() const override;