diff --git a/wcsinst/wcsinstd/deploy.py b/wcsinst/wcsinstd/deploy.py
index 43b376d..c2345c2 100644
--- a/wcsinst/wcsinstd/deploy.py
+++ b/wcsinst/wcsinstd/deploy.py
@@ -104,9 +104,9 @@ class DeployInstance(object):
             # XXX: log
             raise
 
+        pgconn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
         cur = pgconn.cursor()
         cur.execute('''CREATE DATABASE %s''' % database_name)
-        pgconn.commit()
         cur.close()
 
         wcs_cfg['postgresql']['database'] = database_name