diff --git a/wcs_olap/feeder.py b/wcs_olap/feeder.py
index 0ba7552..719aa7c 100644
--- a/wcs_olap/feeder.py
+++ b/wcs_olap/feeder.py
@@ -430,7 +430,7 @@ class WcsOlapFeeder(object):
                 vars=[first_date, last_date])
 
     def create_table(self, name, columns, inherits=None, comment=None):
-        sql = 'CREATE TABLE %s' % quote(name)
+        sql = 'CREATE UNLOGGED TABLE %s' % quote(name)
         sql += '(' + ', '.join('%s %s' % (quote(n), t) for n, t in columns) + ')'
         if inherits:
             sql += ' INHERITS (%s)' % quote(inherits)