diff --git a/homeassistant/components/shelly/__init__.py b/homeassistant/components/shelly/__init__.py
index 65b60546f61..09d9e3655f0 100644
--- a/homeassistant/components/shelly/__init__.py
+++ b/homeassistant/components/shelly/__init__.py
@@ -6,7 +6,11 @@ from typing import Any, Final
 
 from aioshelly.block_device import BlockDevice, BlockUpdateType
 from aioshelly.common import ConnectionOptions
-from aioshelly.exceptions import DeviceConnectionError, InvalidAuthError
+from aioshelly.exceptions import (
+    DeviceConnectionError,
+    InvalidAuthError,
+    MacAddressMismatchError,
+)
 from aioshelly.rpc_device import RpcDevice, RpcUpdateType
 import voluptuous as vol
 
@@ -185,7 +189,7 @@ async def _async_setup_block_entry(hass: HomeAssistant, entry: ConfigEntry) -> b
         LOGGER.debug("Setting up online block device %s", entry.title)
         try:
             await device.initialize()
-        except DeviceConnectionError as err:
+        except (DeviceConnectionError, MacAddressMismatchError) as err:
             raise ConfigEntryNotReady(repr(err)) from err
         except InvalidAuthError as err:
             raise ConfigEntryAuthFailed(repr(err)) from err
@@ -271,7 +275,7 @@ async def _async_setup_rpc_entry(hass: HomeAssistant, entry: ConfigEntry) -> boo
         LOGGER.debug("Setting up online RPC device %s", entry.title)
         try:
             await device.initialize()
-        except DeviceConnectionError as err:
+        except (DeviceConnectionError, MacAddressMismatchError) as err:
             raise ConfigEntryNotReady(repr(err)) from err
         except InvalidAuthError as err:
             raise ConfigEntryAuthFailed(repr(err)) from err
diff --git a/tests/components/shelly/test_init.py b/tests/components/shelly/test_init.py
index a62dfda82f9..1fdfc9d4304 100644
--- a/tests/components/shelly/test_init.py
+++ b/tests/components/shelly/test_init.py
@@ -3,7 +3,11 @@ from __future__ import annotations
 
 from unittest.mock import AsyncMock, patch
 
-from aioshelly.exceptions import DeviceConnectionError, InvalidAuthError
+from aioshelly.exceptions import (
+    DeviceConnectionError,
+    InvalidAuthError,
+    MacAddressMismatchError,
+)
 import pytest
 
 from homeassistant.components.shelly.const import (
@@ -86,6 +90,22 @@ async def test_device_connection_error(
     assert entry.state == ConfigEntryState.SETUP_RETRY
 
 
+@pytest.mark.parametrize("gen", [1, 2])
+async def test_mac_mismatch_error(
+    hass: HomeAssistant, gen, mock_block_device, mock_rpc_device, monkeypatch
+) -> None:
+    """Test device MAC address mismatch error."""
+    monkeypatch.setattr(
+        mock_block_device, "initialize", AsyncMock(side_effect=MacAddressMismatchError)
+    )
+    monkeypatch.setattr(
+        mock_rpc_device, "initialize", AsyncMock(side_effect=MacAddressMismatchError)
+    )
+
+    entry = await init_integration(hass, gen)
+    assert entry.state == ConfigEntryState.SETUP_RETRY
+
+
 @pytest.mark.parametrize("gen", [1, 2])
 async def test_device_auth_error(
     hass: HomeAssistant, gen, mock_block_device, mock_rpc_device, monkeypatch