diff --git a/src/main/java/org/gcube/gcat/persistence/ckan/CKANPackage.java b/src/main/java/org/gcube/gcat/persistence/ckan/CKANPackage.java
index 4719b04..d35f12d 100644
--- a/src/main/java/org/gcube/gcat/persistence/ckan/CKANPackage.java
+++ b/src/main/java/org/gcube/gcat/persistence/ckan/CKANPackage.java
@@ -175,31 +175,38 @@ public class CKANPackage extends CKAN {
 			}
 		}
 		
-		
+		ArrayNode extrasObjectNode;
+		boolean found = false;
 		if(objectNode.has(EXTRAS_KEY)) {
 			try {
-				ArrayNode extrasObjectNode = (ArrayNode) objectNode.get(EXTRAS_KEY);
+				extrasObjectNode = (ArrayNode) objectNode.get(EXTRAS_KEY);
 				for(JsonNode jsonNode : extrasObjectNode) {
 					String key = jsonNode.get(EXTRAS_KEY_KEY).asText();
 					if(key.compareTo(SEARCHABLE_KEY)==0) {
 						ObjectNode searchableObjectNode = (ObjectNode) jsonNode;
 						searchableObjectNode.put(EXTRAS_VALUE_KEY, true);
 						extrasObjectNode.add(searchableObjectNode);
+						found = true;
 						break;
 					}
 				}
 			}catch (Exception e) {
 				throw new BadRequestException("Invalid '"+EXTRAS_KEY+"' field", e);
 			}
+
 		}else {
-			ArrayNode extrasObjectNode = mapper.createArrayNode();
+			extrasObjectNode = mapper.createArrayNode();
+		}
+		
+		if(!found) {
 			ObjectNode searchableObjectNode = mapper.createObjectNode();
 			searchableObjectNode.put(EXTRAS_KEY_KEY, SEARCHABLE_KEY);
 			searchableObjectNode.put(EXTRAS_VALUE_KEY, true);
 			extrasObjectNode.add(searchableObjectNode);
-			objectNode.set(EXTRAS_KEY, extrasObjectNode);
 		}
 		
+		objectNode.set(EXTRAS_KEY, extrasObjectNode);
+		
 		return objectNode;
 	}