diff --git a/opds_catalog/opdsdb.py b/opds_catalog/opdsdb.py
index 863b901ce836673039f58238879579469ecf3c0e..6fa90229255cc113f68aa6cc6d6c899e4dc59dec 100644
--- a/opds_catalog/opdsdb.py
+++ b/opds_catalog/opdsdb.py
@@ -48,6 +48,7 @@ def pg_optimize(verbose=False):
         if verbose:
             print('No PostgreSql connection backend detected...')
     else:
+        print('Start PostgreSql tables optimization...')
         cursor = connection.cursor()
         cursor.execute('alter table opds_catalog_book SET ( fillfactor = 50)')
         cursor.execute('VACUUM FULL opds_catalog_book')