diff --git a/libraries/entropy/client/interfaces/methods.py b/libraries/entropy/client/interfaces/methods.py
index 10872f7df..50f4a655f 100644
--- a/libraries/entropy/client/interfaces/methods.py
+++ b/libraries/entropy/client/interfaces/methods.py
@@ -152,16 +152,23 @@ class RepositoryMixin:
 
     def open_repository(self, repoid):
 
+        # support for installed pkgs repository, got by issuing
+        # repoid = etpConst['clientdbid']
+        if repoid == etpConst['clientdbid']:
+            return self._installed_repository
+
         key = self.__get_repository_cache_key(repoid)
         if key not in self._repodb_cache:
-            dbconn = self.load_repository_database(repoid, xcache = self.xcache,
-                indexing = self.indexing)
+            dbconn = self.load_repository_database(repoid,
+                xcache = self.xcache, indexing = self.indexing)
             try:
                 dbconn.checkDatabaseApi()
             except (OperationalError, TypeError,):
                 pass
+
             self._repodb_cache[key] = dbconn
             return dbconn
+
         return self._repodb_cache.get(key)
 
     def load_repository_database(self, repoid, xcache = True, indexing = True):
diff --git a/libraries/entropy/core/settings/base.py b/libraries/entropy/core/settings/base.py
index 756322333..945efe9c2 100644
--- a/libraries/entropy/core/settings/base.py
+++ b/libraries/entropy/core/settings/base.py
@@ -1187,6 +1187,10 @@ class SystemSettings(Singleton, EntropyPluginStore):
 
                 reponame, repodata = self._analyze_client_repo_string(line,
                     data['branch'], data['product'])
+                if reponame == etpConst['clientdbid']:
+                    # not allowed!!!
+                    continue
+
                 repoids.add(reponame)
                 if reponame in my_repodata: