diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/triplesource/impl/BasicCombinedTripleSource.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/triplesource/impl/BasicCombinedTripleSource.java
index 905dc65a6..612f47b56 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/triplesource/impl/BasicCombinedTripleSource.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/triplesource/impl/BasicCombinedTripleSource.java
@@ -72,14 +72,14 @@ public class BasicCombinedTripleSource implements CombinedTripleSource {
 		sources.put(CONFIGURATION, configurationSource);
 
 		ontModels = new EnumMap<>(WhichService.class);
-		ontModels.put(CONTENT, new ModelMakerOntModelCache(
-				getModelMaker(CONTENT)));
+		ontModels.put(CONTENT, new UnionModelsOntModelsCache(
+				new ModelMakerOntModelCache(getModelMaker(CONTENT)),
+				CONTENT_UNIONS));
 		ontModels.put(CONFIGURATION, new ModelMakerOntModelCache(
 				getModelMaker(CONFIGURATION)));
 
-		ontModelCache = new UnionModelsOntModelsCache(new JoinedOntModelCache(
-				ontModels.get(CONTENT), ontModels.get(CONFIGURATION)),
-				CONTENT_UNIONS);
+		ontModelCache = new JoinedOntModelCache(ontModels.get(CONTENT),
+				ontModels.get(CONFIGURATION));
 	}
 
 	protected OntModelCache getOntModels(WhichService whichService) {
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/triplesource/impl/sdb/ContentTripleSourceSDB.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/triplesource/impl/sdb/ContentTripleSourceSDB.java
index d89ca29b7..eec10e046 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/triplesource/impl/sdb/ContentTripleSourceSDB.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/triplesource/impl/sdb/ContentTripleSourceSDB.java
@@ -4,7 +4,6 @@ package edu.cornell.mannlib.vitro.webapp.triplesource.impl.sdb;
 
 import static edu.cornell.mannlib.vitro.webapp.triplesource.impl.BasicCombinedTripleSource.CONTENT_UNIONS;
 
-import java.lang.reflect.Method;
 import java.sql.Driver;
 import java.sql.DriverManager;
 import java.sql.SQLException;
@@ -194,6 +193,9 @@ public class ContentTripleSourceSDB extends ContentTripleSource {
 	 * Use models from the short-term RDFService, since there is less contention
 	 * for the database connections that way. The exceptions are the
 	 * memory-mapped models. By keeping them, we also keep their sub-models.
+	 * 
+	 * Set up the Union models again also, so they will reference the short-term
+	 * models.
 	 */
 	@Override
 	public OntModelCache getShortTermOntModels(RDFService shortTermRdfService,