diff --git a/app/controllers/ACL.java b/app/controllers/ACL.java
index bb34843c..7be5f4a3 100644
--- a/app/controllers/ACL.java
+++ b/app/controllers/ACL.java
@@ -305,7 +305,7 @@ public static void updaterole(@Required String name) {
 		role.privileges = null;
 		if (selectedprivilegenames != null) {
 			if (selectedprivilegenames.length > 0) {
-				role.privileges = Privileges.getJSONPrivileges(selectedprivilegenames).toJSONString();
+				role.privileges = Privileges.getJSONStringPrivileges(selectedprivilegenames);
 			}
 		}
 		
diff --git a/app/ext/Bootstrap.java b/app/ext/Bootstrap.java
index 3bcf2e64..6044d00e 100644
--- a/app/ext/Bootstrap.java
+++ b/app/ext/Bootstrap.java
@@ -112,13 +112,13 @@ public void doJob() {
 		ACLRole role_admim = ACLRole.findById(ACLRole.ADMIN_NAME);
 		if (role_admim == null) {
 			role_admim = new ACLRole(ACLRole.ADMIN_NAME);
-			role_admim.privileges = Privileges.getJSONAllPrivileges().toJSONString();
+			role_admim.privileges = Privileges.getJSONArrayStringPrivileges();
 			role_admim.functionalities = "{}";
 			role_admim.save();
 		} else {
 			List<String> privileges = role_admim.getPrivilegesList();
-			if (privileges.size() != Privileges.getAllPrivileges().size()) {
-				role_admim.privileges = Privileges.getJSONAllPrivileges().toJSONString();
+			if (privileges.containsAll(Privileges.getAllSortedPrivileges()) == false) {
+				role_admim.privileges = Privileges.getJSONArrayStringPrivileges();
 				role_admim.save();
 			}
 		}
diff --git a/app/hd3gtv/mydmam/web/Privileges.java b/app/hd3gtv/mydmam/web/Privileges.java
index f34738f4..10a8cca2 100644
--- a/app/hd3gtv/mydmam/web/Privileges.java
+++ b/app/hd3gtv/mydmam/web/Privileges.java
@@ -32,7 +32,8 @@
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 
-import org.json.simple.JSONArray;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonPrimitive;
 
 import controllers.Check;
 import controllers.Secure;
@@ -46,10 +47,11 @@
 @SuppressWarnings({ "rawtypes", "unchecked" })
 public class Privileges {
 	
-	private static HashSet<String> all_privileges;
+	private static final List<String> privileges;
+	private static final String privileges_json_array;
 	
 	static {
-		all_privileges = new HashSet<String>();
+		HashSet<String> all_privileges = new HashSet<String>();
 		try {
 			List<String> classes_to_test = new ArrayList<String>();
 			
@@ -186,30 +188,32 @@ public boolean accept(File arg0, String arg1) {
 		}
 		
 		AJSController.putAllPrivilegesNames(all_privileges);
-	}
-	
-	public static HashSet<String> getAllPrivileges() {
-		return all_privileges;
+		
+		ArrayList list = new ArrayList<String>(all_privileges);
+		Collections.sort(list);
+		privileges = Collections.unmodifiableList(list);
+		
+		JsonArray ja_privileges = new JsonArray();
+		for (int pos = 0; pos < privileges.size(); pos++) {
+			ja_privileges.add(new JsonPrimitive(privileges.get(pos)));
+		}
+		privileges_json_array = ja_privileges.toString();
 	}
 	
 	public static List<String> getAllSortedPrivileges() {
-		ArrayList list = new ArrayList<String>(all_privileges);
-		Collections.sort(list);
-		return list;
+		return privileges;
 	}
 	
-	public static JSONArray getJSONAllPrivileges() {
-		JSONArray ja = new JSONArray();
-		ja.addAll(all_privileges);
-		return ja;
+	public static String getJSONArrayStringPrivileges() {
+		return privileges_json_array;
 	}
 	
-	public static JSONArray getJSONPrivileges(String[] privilegenames) {
-		JSONArray ja = new JSONArray();
+	public static String getJSONStringPrivileges(String[] privilegenames) {
+		JsonArray ja = new JsonArray();
 		for (int pos = 0; pos < privilegenames.length; pos++) {
-			ja.add(privilegenames[pos]);
+			ja.add(new JsonPrimitive(privilegenames[pos]));
 		}
-		return ja;
+		return ja.toString();
 	}
 	
 }