diff --git a/cluster/ceph.py b/cluster/ceph.py
index 0003d1b0..dd4fa620 100644
--- a/cluster/ceph.py
+++ b/cluster/ceph.py
@@ -831,7 +831,7 @@ def mkpool(self, name, profile_name, application, base_name=None):
                 ruleset = crush_profile
             except ValueError:
                 ruleset = self.get_ruleset(crush_profile)
-            common.pdsh(settings.getnodes('head'), 'sudo %s -c %s osd pool set %s crush_ruleset %s' % (self.ceph_cmd, self.tmp_conf, name, crush_profile),
+            common.pdsh(settings.getnodes('head'), 'sudo %s -c %s osd pool set %s crush_rule %s' % (self.ceph_cmd, self.tmp_conf, name, crush_profile),
                         continue_if_error=False).communicate()
 
         logger.info('Checking Health after pool creation.')