diff --git a/supervisor/os/manager.py b/supervisor/os/manager.py
index 5763f538f..f99673925 100644
--- a/supervisor/os/manager.py
+++ b/supervisor/os/manager.py
@@ -272,6 +272,7 @@ class OSManager(CoreSysAttributes):
         name="os_manager_update",
         conditions=[
             JobCondition.HAOS,
+            JobCondition.HEALTHY,
             JobCondition.INTERNET_SYSTEM,
             JobCondition.RUNNING,
             JobCondition.SUPERVISOR_UPDATED,
diff --git a/tests/os/test_manager.py b/tests/os/test_manager.py
index 70370064a..8970c9ace 100644
--- a/tests/os/test_manager.py
+++ b/tests/os/test_manager.py
@@ -9,6 +9,7 @@ import pytest
 from supervisor.const import CoreState
 from supervisor.coresys import CoreSys
 from supervisor.exceptions import HassOSJobError
+from supervisor.resolution.const import UnhealthyReason
 
 from tests.common import MockResponse
 from tests.dbus_service_mocks.base import DBusServiceMock
@@ -85,6 +86,21 @@ async def test_update_fails_if_out_of_date(
         await coresys.os.update()
 
 
+async def test_update_fails_if_unhealthy(
+    coresys: CoreSys,
+) -> None:
+    """Test update of OS fails if Supervisor is unhealthy."""
+    await coresys.core.set_state(CoreState.RUNNING)
+    coresys.resolution.add_unhealthy_reason(UnhealthyReason.DUPLICATE_OS_INSTALLATION)
+    with (
+        patch.object(
+            type(coresys.os), "available", new=PropertyMock(return_value=True)
+        ),
+        pytest.raises(HassOSJobError),
+    ):
+        await coresys.os.update()
+
+
 async def test_board_name_supervised(coresys: CoreSys) -> None:
     """Test board name is supervised when not on haos."""
     with patch("supervisor.os.manager.CPE.get_product", return_value=["not-hassos"]):