diff --git a/octodns/provider/azuredns.py b/octodns/provider/azuredns.py
index 91e298c..4fe5184 100644
--- a/octodns/provider/azuredns.py
+++ b/octodns/provider/azuredns.py
@@ -352,8 +352,8 @@ class AzureProvider(BaseProvider):
 
     def _data_for_PTR(self, azrecord):
         try:
-            ptdrname = azrecord.ptr_records[0].ptdrname
-            return {'value': _check_endswith_dot(ptdrname)}
+            ptrdname = azrecord.ptr_records[0].ptrdname
+            return {'value': _check_endswith_dot(ptrdname)}
         except:
             return {'value': '.'}
 
diff --git a/tests/test_octodns_provider_azuredns.py b/tests/test_octodns_provider_azuredns.py
index abce5aa..5ffa055 100644
--- a/tests/test_octodns_provider_azuredns.py
+++ b/tests/test_octodns_provider_azuredns.py
@@ -263,8 +263,7 @@ class TestAzureDnsProvider(TestCase):
         rs.append(RecordSet(name='ptr1', ttl=10, type='PTR',
                             ptr_records=[PtrRecord('ptr1.unit.test.')]))
         rs.append(RecordSet(name='ptr2', ttl=11, type='PTR',
-                            ptr_records=[PtrRecord('ptr1.unit.test.'),
-                                         PtrRecord('ptr2.unit.test.')]))
+                            ptr_records=[PtrRecord(None)]))
         rs.append(RecordSet(name='_srv1._tcp', ttl=12, type='SRV',
                             srv_records=[SrvRecord(1, 2, 3, '1unit.tests.')]))
         rs.append(RecordSet(name='_srv2._tcp', ttl=13, type='SRV',