diff --git a/trytond/backend/postgresql/database.py b/trytond/backend/postgresql/database.py
index 8f755c1eec..d7fd615b01 100644
--- a/trytond/backend/postgresql/database.py
+++ b/trytond/backend/postgresql/database.py
@@ -140,8 +140,10 @@ class Database(DatabaseInterface):
         cursor = database.cursor()
         if not cursor.test():
             cursor.close()
+            database.close()
             raise Exception('Couldn\'t restore database!')
         cursor.close()
+        database.close()
         return True
 
     @staticmethod
diff --git a/trytond/protocols/dispatcher.py b/trytond/protocols/dispatcher.py
index 1b8364b4fe..ea2d1c0900 100644
--- a/trytond/protocols/dispatcher.py
+++ b/trytond/protocols/dispatcher.py
@@ -237,8 +237,12 @@ def drop(database_name, password):
     return True
 
 def dump(database_name, password):
-    logger = logging.getLogger('database')
     security.check_super(password)
+    Database(database_name).close()
+    # Sleep to let connections close
+    time.sleep(1)
+    logger = logging.getLogger('database')
+
     data = Database.dump(database_name)
     logger.info('DUMP DB: %s' % (database_name))
     return base64.encodestring(data)