diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/DataPropertyDaoJena.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/DataPropertyDaoJena.java
index acbe3634d..c2080b858 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/DataPropertyDaoJena.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/DataPropertyDaoJena.java
@@ -468,7 +468,7 @@ public class DataPropertyDaoJena extends PropertyDaoJena implements
     }
     
     private String getRequiredDatatypeURI(Individual individual, DataProperty dataprop, List<String> vclassURIs) {
-        OntModel ontModel = getOntModelSelector().getFullModel();
+        OntModel ontModel = getOntModelSelector().getTBoxModel();
         String datatypeURI = dataprop.getRangeDatatypeURI();    
     
         ontModel.enterCriticalSection(Lock.READ);