diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/JenaBaseDao.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/JenaBaseDao.java
index 614a9dec0..3b5bfe803 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/JenaBaseDao.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/JenaBaseDao.java
@@ -502,6 +502,9 @@ public class JenaBaseDao extends JenaBaseDaoCon {
      * convenience method for use with functional properties
      */
     protected void updatePropertyResourceURIValue(Resource res, Property prop, String uri, Model model) {
+		log.debug("updatePropertyResourceURIValue(), resource="
+				+ (res == null ? "null" : res.getURI()) + ", property="
+				+ (prop == null ? "null" : prop.getURI()) + ", uri=" + uri);
 
         if (prop != null) {
             if (uri == null || uri.length() == 0) {