diff --git a/src/main/java/org/etsi/osl/tmf/pcm620/reposervices/ProductSpecificationRepoService.java b/src/main/java/org/etsi/osl/tmf/pcm620/reposervices/ProductSpecificationRepoService.java
index 9a99a9c50e614241c638be17203449bcf923e3c4..5c5696a045c1c57083899de0238a2b2900243895 100644
--- a/src/main/java/org/etsi/osl/tmf/pcm620/reposervices/ProductSpecificationRepoService.java
+++ b/src/main/java/org/etsi/osl/tmf/pcm620/reposervices/ProductSpecificationRepoService.java
@@ -430,9 +430,10 @@ public class ProductSpecificationRepoService {
 				// we need the attachment model from resource spec models
 				boolean idexists = false;
 				for (ProductSpecificationCharacteristic orinalAtt : prodSpec.getProductSpecCharacteristic()) {
-					if (orinalAtt.getName().equals(ar.getName())) {
+					if (orinalAtt.getName()!=null && ar.getName()!=null &&  orinalAtt.getName().equals(ar.getName())) {
 						idexists = true;
 						idAddedUpdated.put(orinalAtt.getName(), true);
+						orinalAtt.updateWith( ar );
 						break;
 					}
 				}