diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/ObjectPropertyDaoJena.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/ObjectPropertyDaoJena.java
index 14ec5aeb0..696fefe79 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/ObjectPropertyDaoJena.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/ObjectPropertyDaoJena.java
@@ -16,6 +16,7 @@ import org.apache.commons.logging.LogFactory;
 
 import com.hp.hpl.jena.datatypes.xsd.XSDDatatype;
 import com.hp.hpl.jena.ontology.ConversionException;
+import com.hp.hpl.jena.ontology.DatatypeProperty;
 import com.hp.hpl.jena.ontology.OntModel;
 import com.hp.hpl.jena.ontology.OntProperty;
 import com.hp.hpl.jena.ontology.OntResource;
@@ -80,6 +81,9 @@ public class ObjectPropertyDaoJena extends PropertyDaoJena implements ObjectProp
         if (op==null) {
             return null;
         }
+        if( op instanceof DatatypeProperty){
+            return null;
+        }
         ObjectProperty p = new ObjectProperty();
         try {
             p.setURI(op.getURI());