Index: lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dao/hibernate/AssessmentResultDAOHibernate.java
===================================================================
RCS file: /usr/local/cvsroot/lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dao/hibernate/AssessmentResultDAOHibernate.java,v
diff -u -r1.15 -r1.16
--- lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dao/hibernate/AssessmentResultDAOHibernate.java	20 Apr 2016 09:46:55 -0000	1.15
+++ lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dao/hibernate/AssessmentResultDAOHibernate.java	21 Apr 2016 10:34:10 -0000	1.16
@@ -158,7 +158,8 @@
 	if ((list == null) || (list.size() == 0)) {
 	    return null;
 	} else {
-	    return ((Float) list.get(0));
+	    Object result = list.get(0);
+	    return result == null ? null : ((Double) result).floatValue();
 	}
     }