diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/utils/jena/JenaOutputUtils.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/utils/jena/JenaOutputUtils.java
index 0f4118131..5ff6e3c2e 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/utils/jena/JenaOutputUtils.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/utils/jena/JenaOutputUtils.java
@@ -39,7 +39,7 @@ public class JenaOutputUtils {
             
             prefix = ontology.getPrefix();
             if (prefix == null || prefix.isEmpty()) {
-            	log.info("no prefix found for namespace: " + namespace);
+            	log.debug("no prefix found for namespace: " + namespace);
             	continue;
             }