diff --git a/Core/src/org/sleuthkit/autopsy/modules/hashdatabase/HashLookupSettingsPanel.java b/Core/src/org/sleuthkit/autopsy/modules/hashdatabase/HashLookupSettingsPanel.java
index b5c6ca805a..e7bfcecf1e 100644
--- a/Core/src/org/sleuthkit/autopsy/modules/hashdatabase/HashLookupSettingsPanel.java
+++ b/Core/src/org/sleuthkit/autopsy/modules/hashdatabase/HashLookupSettingsPanel.java
@@ -335,6 +335,7 @@ public final class HashLookupSettingsPanel extends IngestModuleGlobalSettingsPan
         } else {
             try {
                 hashSetManager.save();
+                newReferenceSetIDs.clear();
             } catch (HashDbManager.HashDbManagerException ex) {
                 SwingUtilities.invokeLater(() -> {
                     JOptionPane.showMessageDialog(null, Bundle.HashLookupSettingsPanel_saveFail_message(), Bundle.HashLookupSettingsPanel_saveFail_title(), JOptionPane.ERROR_MESSAGE);