diff --git a/Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/CorrelationAttributeUtil.java b/Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/CorrelationAttributeUtil.java
index 6fa9e0d133..289b13b62a 100644
--- a/Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/CorrelationAttributeUtil.java
+++ b/Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/CorrelationAttributeUtil.java
@@ -21,6 +21,7 @@ package org.sleuthkit.autopsy.centralrepository.datamodel;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 import java.util.logging.Level;
 import org.openide.util.NbBundle.Messages;
 import org.sleuthkit.autopsy.casemodule.Case;