1 files changed, 3 insertions, 2 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/result/optics/GenericClusterOrderEntry.java b/src/de/lmu/ifi/dbs/elki/result/optics/GenericClusterOrderEntry.java
index 47ee16e5..b04d35ea 100644
--- a/src/de/lmu/ifi/dbs/elki/result/optics/GenericClusterOrderEntry.java
+++ b/src/de/lmu/ifi/dbs/elki/result/optics/GenericClusterOrderEntry.java
@@ -24,6 +24,7 @@ package de.lmu.ifi.dbs.elki.result.optics;
  */
 
 import de.lmu.ifi.dbs.elki.database.ids.DBID;
+import de.lmu.ifi.dbs.elki.database.ids.DBIDUtil;
 import de.lmu.ifi.dbs.elki.distance.distancevalue.Distance;
 
 /**
@@ -75,13 +76,13 @@ public class GenericClusterOrderEntry<D extends Distance<D>> implements Comparab
     if(this == o) {
       return true;
     }
-    if(o == null || !(o instanceof ClusterOrderEntry)) {
+    if(!(o instanceof ClusterOrderEntry)) {
       return false;
     }
 
     final ClusterOrderEntry<?> that = (ClusterOrderEntry<?>) o;
     // Compare by ID only, for UpdatableHeap!
-    return objectID.sameDBID(that.getID());
+    return DBIDUtil.equal(objectID, that.getID());
   }
 
   /**