diff --git a/RecoTracker/CkfPattern/src/SeedCleanerByHitPosition.cc b/RecoTracker/CkfPattern/src/SeedCleanerByHitPosition.cc
index beca5c15d3aed..9eaba55873add 100644
--- a/RecoTracker/CkfPattern/src/SeedCleanerByHitPosition.cc
+++ b/RecoTracker/CkfPattern/src/SeedCleanerByHitPosition.cc
@@ -10,7 +10,7 @@ void SeedCleanerByHitPosition::done() {
         trajectories = 0; 
 }
 bool SeedCleanerByHitPosition::good(const TrajectorySeed *seed) {
-    static RecHitComparatorByPosition comp;
+    const RecHitComparatorByPosition comp;
     typedef TrajectorySeed::const_iterator SI;
     typedef Trajectory::RecHitContainer::const_iterator TI;
     TrajectorySeed::range range = seed->recHits();