Index: lams_common/src/java/org/lamsfoundation/lams/qb/service/QbService.java
===================================================================
diff -u -rb58f96e55bbc04e78723b11b77b2159aac191239 -rbba82a2ff7eefb96488e0e095b8d1a153699266b
--- lams_common/src/java/org/lamsfoundation/lams/qb/service/QbService.java	(.../QbService.java)	(revision b58f96e55bbc04e78723b11b77b2159aac191239)
+++ lams_common/src/java/org/lamsfoundation/lams/qb/service/QbService.java	(.../QbService.java)	(revision bba82a2ff7eefb96488e0e095b8d1a153699266b)
@@ -887,7 +887,11 @@
 	    }
 
 	    // append new answer to option
-	    name += (StringUtils.isBlank(name) ? "" : QbUtils.VSA_ANSWER_DELIMITER) + answer;
+	    if (StringUtils.isBlank(name)) {
+		name = answer;
+	    } else {
+		name += QbUtils.VSA_ANSWER_DELIMITER + answer;
+	    }
 	    targetOption.setName(name);
 	    qbDAO.update(targetOption);
 	    qbDAO.flush();