diff --git a/cinder/cmd/rtstool.py b/cinder/cmd/rtstool.py
index 76c4d11b376..afbf8c69512 100644
--- a/cinder/cmd/rtstool.py
+++ b/cinder/cmd/rtstool.py
@@ -100,7 +100,7 @@ def add_initiator(target_iqn, initiator_iqn, userid, password):
     tpg = target.tpgs.next()  # get the first one
     for acl in tpg.node_acls:
         # See if this ACL configuration already exists
-        if acl['node_wwn'] == initiator_iqn:
+        if acl.node_wwn == initiator_iqn:
             # No further action required
             return
 
diff --git a/cinder/tests/test_cmd.py b/cinder/tests/test_cmd.py
index 63ab732a783..f0016bb5626 100644
--- a/cinder/tests/test_cmd.py
+++ b/cinder/tests/test_cmd.py
@@ -844,7 +844,7 @@ class TestCinderRtstoolCmd(test.TestCase):
         target_iqn = mock.MagicMock()
         target_iqn.tpgs.return_value = \
             [{'node_acls': mock.sentinel.initiator_iqn}]
-        acl = {'node_wwn': mock.sentinel.initiator_iqn}
+        acl = mock.MagicMock(node_wwn=mock.sentinel.initiator_iqn)
         tpg = mock.MagicMock(node_acls=[acl])
         tpgs = mock.MagicMock()
         tpgs.next.return_value = tpg