diff --git a/ironic_python_agent/extensions/image.py b/ironic_python_agent/extensions/image.py
index c482b69ca..8aa71e799 100644
--- a/ironic_python_agent/extensions/image.py
+++ b/ironic_python_agent/extensions/image.py
@@ -300,7 +300,12 @@ def _manage_uefi(device, efi_system_part_uuid=None):
             # _get_partition returns <device>+<partition> and we only need the
             # partition number
             partition = _get_partition(device, uuid=efi_system_part_uuid)
-            efi_partition = int(partition.replace(device, ""))
+            try:
+                efi_partition = int(partition.replace(device, ""))
+            except ValueError:
+                # NVMe Devices get a partitioning scheme that is different from
+                # traditional block devices like SCSI/SATA
+                efi_partition = int(partition.replace(device + 'p', ""))
 
         if not efi_partition:
             # NOTE(dtantsur): we cannot have a valid EFI deployment without an
diff --git a/ironic_python_agent/tests/unit/extensions/test_image.py b/ironic_python_agent/tests/unit/extensions/test_image.py
index d7093b6b2..c91de8416 100644
--- a/ironic_python_agent/tests/unit/extensions/test_image.py
+++ b/ironic_python_agent/tests/unit/extensions/test_image.py
@@ -2160,6 +2160,45 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
         mock_execute.assert_has_calls(expected)
         self.assertEqual(7, mock_execute.call_count)
 
+    @mock.patch.object(os.path, 'exists', lambda *_: False)
+    @mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
+    @mock.patch.object(image, '_get_partition', autospec=True)
+    @mock.patch.object(utils, 'get_efi_part_on_device', autospec=True)
+    @mock.patch.object(os, 'makedirs', autospec=True)
+    def test__manage_uefi_nvme_device(self, mkdir_mock, mock_utils_efi_part,
+                                      mock_get_part_uuid, mock_efi_bl,
+                                      mock_execute, mock_dispatch):
+        mock_utils_efi_part.return_value = '1'
+        mock_get_part_uuid.return_value = '/dev/fakenvme0p1'
+
+        mock_efi_bl.return_value = ['\\EFI\\BOOT\\BOOTX64.EFI']
+
+        mock_execute.side_effect = iter([('', ''), ('', ''),
+                                         ('', ''), ('', ''),
+                                         ('', ''), ('', ''),
+                                         ('', '')])
+
+        expected = [mock.call('partx', '-u', '/dev/fakenvme0', attempts=3,
+                              delay_on_retry=True),
+                    mock.call('udevadm', 'settle'),
+                    mock.call('mount', '/dev/fakenvme0p1',
+                              self.fake_dir + '/boot/efi'),
+                    mock.call('efibootmgr'),
+                    mock.call('efibootmgr', '-c', '-d', '/dev/fakenvme0',
+                              '-p', '1', '-w',
+                              '-L', 'ironic1', '-l',
+                              '\\EFI\\BOOT\\BOOTX64.EFI'),
+                    mock.call('umount', self.fake_dir + '/boot/efi',
+                              attempts=3, delay_on_retry=True),
+                    mock.call('sync')]
+
+        result = image._manage_uefi('/dev/fakenvme0', self.fake_root_uuid)
+        self.assertTrue(result)
+        mkdir_mock.assert_called_once_with(self.fake_dir + '/boot/efi')
+        mock_efi_bl.assert_called_once_with(self.fake_dir + '/boot/efi')
+        mock_execute.assert_has_calls(expected)
+        self.assertEqual(7, mock_execute.call_count)
+
     @mock.patch.object(os.path, 'exists', lambda *_: False)
     @mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
     @mock.patch.object(image, '_get_partition', autospec=True)
diff --git a/releasenotes/notes/fix-nvme-partition-image-handling-b8487133a188fd32.yaml b/releasenotes/notes/fix-nvme-partition-image-handling-b8487133a188fd32.yaml
new file mode 100644
index 000000000..ee1cf0858
--- /dev/null
+++ b/releasenotes/notes/fix-nvme-partition-image-handling-b8487133a188fd32.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Fixes an error with UEFI based deployments where using a partition image
+    a NVMe device was previously failing due to the different device name
+    pattern.