diff --git a/cinder/tests/unit/volume/drivers/dell_emc/powermax/powermax_data.py b/cinder/tests/unit/volume/drivers/dell_emc/powermax/powermax_data.py
index f5f2d53b99d..ec55b33328d 100644
--- a/cinder/tests/unit/volume/drivers/dell_emc/powermax/powermax_data.py
+++ b/cinder/tests/unit/volume/drivers/dell_emc/powermax/powermax_data.py
@@ -1471,6 +1471,7 @@ class PowerMaxData(object):
 
     snap_device_label = ('%(dev)s:%(label)s' % {'dev': device_id,
                                                 'label': managed_snap_id})
+
     priv_snap_response = {
         'deviceName': snap_device_label, 'snapshotLnks': [],
         'snapshotSrcs': [
@@ -1482,6 +1483,9 @@ class PowerMaxData(object):
              'snapshotName': test_snapshot_snap_name,
              'state': 'Established'}]}
 
+    priv_snap_response_no_label = deepcopy(priv_snap_response)
+    priv_snap_response_no_label.update({'deviceName': device_id})
+
     volume_metadata = {
         'DeviceID': device_id, 'ArrayID': array, 'ArrayModel': array_model}
 
diff --git a/cinder/tests/unit/volume/drivers/dell_emc/powermax/test_powermax_common.py b/cinder/tests/unit/volume/drivers/dell_emc/powermax/test_powermax_common.py
index 7e1f9384543..bd1dcd056e4 100644
--- a/cinder/tests/unit/volume/drivers/dell_emc/powermax/test_powermax_common.py
+++ b/cinder/tests/unit/volume/drivers/dell_emc/powermax/test_powermax_common.py
@@ -3835,6 +3835,22 @@ class PowerMaxCommonTest(test.TestCase):
             array, device_id, snap_name)
         self.assertEqual(ref_metadata, act_metadata)
 
+    @mock.patch.object(
+        rest.PowerMaxRest, 'get_volume_snap_info',
+        return_value=(tpd.PowerMaxData.priv_snap_response_no_label))
+    def test_get_snapshot_metadata_no_label(self, mck_snap):
+        array = self.data.array
+        device_id = self.data.device_id
+        snap_name = self.data.test_snapshot_snap_name
+        ref_metadata = {'SnapshotLabel': snap_name,
+                        'SourceDeviceID': device_id,
+                        'SnapIdList': six.text_type(self.data.snap_id),
+                        'is_snap_id': True}
+
+        act_metadata = self.common.get_snapshot_metadata(
+            array, device_id, snap_name)
+        self.assertEqual(ref_metadata, act_metadata)
+
     def test_update_metadata(self):
         model_update = {'provider_location': six.text_type(
             self.data.provider_location)}
diff --git a/cinder/volume/drivers/dell_emc/powermax/common.py b/cinder/volume/drivers/dell_emc/powermax/common.py
index 2d7ff329bc4..e4b99a5f28f 100644
--- a/cinder/volume/drivers/dell_emc/powermax/common.py
+++ b/cinder/volume/drivers/dell_emc/powermax/common.py
@@ -7076,14 +7076,17 @@ class PowerMaxCommon(object):
                 snap_id_list.append(snapshot_src.get(
                     'snap_id') if self.rest.is_snap_id else snapshot_src.get(
                         'generation'))
-        device_label = device_name.split(':')[1]
+        try:
+            device_label = device_name.split(':')[1] if device_name else None
+        except IndexError:
+            device_label = None
         metadata = {'SnapshotLabel': snap_name,
                     'SourceDeviceID': device_id,
-                    'SourceDeviceLabel': device_label,
                     'SnapIdList': ', '.join(
                         six.text_type(v) for v in snap_id_list),
                     'is_snap_id': self.rest.is_snap_id}
-
+        if device_label:
+            metadata['SourceDeviceLabel'] = device_label
         return metadata
 
     def _check_and_add_tags_to_storage_array(
diff --git a/releasenotes/notes/bug-1939139-02ab552420813e70.yaml b/releasenotes/notes/bug-1939139-02ab552420813e70.yaml
new file mode 100644
index 00000000000..4edf6cf11a2
--- /dev/null
+++ b/releasenotes/notes/bug-1939139-02ab552420813e70.yaml
@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    PowerMax driver `bug #1939139
+    <https://bugs.launchpad.net/cinder/+bug/1939139>`_: Fix
+    on create snapshot operation that exists when using PowerMax OS
+    5978.711 and later.