diff --git a/homeassistant/components/unifiprotect/config_flow.py b/homeassistant/components/unifiprotect/config_flow.py
index 0890a962e5b..39e255bb715 100644
--- a/homeassistant/components/unifiprotect/config_flow.py
+++ b/homeassistant/components/unifiprotect/config_flow.py
@@ -24,6 +24,7 @@ from homeassistant.data_entry_flow import FlowResult
 from homeassistant.helpers.aiohttp_client import async_create_clientsession
 from homeassistant.helpers.typing import DiscoveryInfoType
 from homeassistant.loader import async_get_integration
+from homeassistant.util.network import is_ip_address
 
 from .const import (
     CONF_ALL_UPDATES,
@@ -105,7 +106,11 @@ class ProtectFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
                     and entry_host != direct_connect_domain
                 ):
                     new_host = direct_connect_domain
-                elif not entry_has_direct_connect and entry_host != source_ip:
+                elif (
+                    not entry_has_direct_connect
+                    and is_ip_address(entry_host)
+                    and entry_host != source_ip
+                ):
                     new_host = source_ip
                 if new_host:
                     self.hass.config_entries.async_update_entry(
diff --git a/tests/components/unifiprotect/test_config_flow.py b/tests/components/unifiprotect/test_config_flow.py
index a1609984be3..68d90ff82eb 100644
--- a/tests/components/unifiprotect/test_config_flow.py
+++ b/tests/components/unifiprotect/test_config_flow.py
@@ -418,6 +418,37 @@ async def test_discovered_by_unifi_discovery_direct_connect_updated_but_not_usin
     assert mock_config.data[CONF_HOST] == "127.0.0.1"
 
 
+async def test_discovered_host_not_updated_if_existing_is_a_hostname(
+    hass: HomeAssistant, mock_nvr: NVR
+) -> None:
+    """Test we only update the host if its an ip address from discovery."""
+    mock_config = MockConfigEntry(
+        domain=DOMAIN,
+        data={
+            "host": "a.hostname",
+            "username": "test-username",
+            "password": "test-password",
+            "id": "UnifiProtect",
+            "port": 443,
+            "verify_ssl": True,
+        },
+        unique_id=DEVICE_MAC_ADDRESS.upper().replace(":", ""),
+    )
+    mock_config.add_to_hass(hass)
+
+    with _patch_discovery():
+        result = await hass.config_entries.flow.async_init(
+            DOMAIN,
+            context={"source": config_entries.SOURCE_DISCOVERY},
+            data=UNIFI_DISCOVERY_DICT,
+        )
+        await hass.async_block_till_done()
+
+    assert result["type"] == RESULT_TYPE_ABORT
+    assert result["reason"] == "already_configured"
+    assert mock_config.data[CONF_HOST] == "a.hostname"
+
+
 async def test_discovered_by_unifi_discovery(
     hass: HomeAssistant, mock_nvr: NVR
 ) -> None: