diff --git a/Calibration/EcalCalibAlgos/interface/miscalibExample.h b/Calibration/EcalCalibAlgos/interface/miscalibExample.h
index 341bc58d7afd0..f744a41799c3f 100644
--- a/Calibration/EcalCalibAlgos/interface/miscalibExample.h
+++ b/Calibration/EcalCalibAlgos/interface/miscalibExample.h
@@ -48,8 +48,7 @@ class miscalibExample : public edm::one::EDAnalyzer<> {
   const std::string correctedHybridSuperClusterProducer_;
   const std::string correctedHybridSuperClusterCollection_;
   int read_events;
-
-  edm::EDGetTokenT<reco::SuperClusterCollection> correctedHybridSuperClusterToken_;
+  const edm::EDGetTokenT<reco::SuperClusterCollection> correctedHybridSuperClusterToken_;
 
   TH1F* scEnergy;
 };