diff --git a/homeassistant/components/zha/config_flow.py b/homeassistant/components/zha/config_flow.py
index 9173db4d510..2b867366453 100644
--- a/homeassistant/components/zha/config_flow.py
+++ b/homeassistant/components/zha/config_flow.py
@@ -108,7 +108,7 @@ class ZhaFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
             self._abort_if_unique_id_configured(
                 updates={
                     CONF_DEVICE: {
-                        **current_entry.data[CONF_DEVICE],
+                        **current_entry.data.get(CONF_DEVICE, {}),
                         CONF_DEVICE_PATH: dev_path,
                     },
                 }
@@ -172,7 +172,7 @@ class ZhaFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
             self._abort_if_unique_id_configured(
                 updates={
                     CONF_DEVICE: {
-                        **current_entry.data[CONF_DEVICE],
+                        **current_entry.data.get(CONF_DEVICE, {}),
                         CONF_DEVICE_PATH: device_path,
                     },
                 }
diff --git a/tests/components/zha/test_config_flow.py b/tests/components/zha/test_config_flow.py
index c00e25fa636..b8a951a57f6 100644
--- a/tests/components/zha/test_config_flow.py
+++ b/tests/components/zha/test_config_flow.py
@@ -113,6 +113,34 @@ async def test_discovery_via_zeroconf_ip_change(detect_mock, hass):
     }
 
 
+@patch("homeassistant.components.zha.async_setup_entry", AsyncMock(return_value=True))
+@patch("zigpy_znp.zigbee.application.ControllerApplication.probe", return_value=True)
+async def test_discovery_via_zeroconf_ip_change_ignored(detect_mock, hass):
+    """Test zeroconf flow that was ignored gets updated."""
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        unique_id="tube_zb_gw_cc2652p2_poe",
+        source=config_entries.SOURCE_IGNORE,
+    )
+    entry.add_to_hass(hass)
+
+    service_info = {
+        "host": "192.168.1.22",
+        "port": 6053,
+        "hostname": "tube_zb_gw_cc2652p2_poe.local.",
+        "properties": {"address": "tube_zb_gw_cc2652p2_poe.local"},
+    }
+    result = await hass.config_entries.flow.async_init(
+        "zha", context={"source": SOURCE_ZEROCONF}, data=service_info
+    )
+
+    assert result["type"] == RESULT_TYPE_ABORT
+    assert result["reason"] == "already_configured"
+    assert entry.data[CONF_DEVICE] == {
+        CONF_DEVICE_PATH: "socket://192.168.1.22:6638",
+    }
+
+
 @patch("zigpy_znp.zigbee.application.ControllerApplication.probe", return_value=True)
 async def test_discovery_via_usb(detect_mock, hass):
     """Test usb flow -- radio detected."""
@@ -317,6 +345,37 @@ async def test_discovery_via_usb_deconz_ignored(detect_mock, hass):
     assert result["step_id"] == "confirm"
 
 
+@patch("zigpy_znp.zigbee.application.ControllerApplication.probe", return_value=True)
+async def test_discovery_via_usb_zha_ignored_updates(detect_mock, hass):
+    """Test usb flow that was ignored gets updated."""
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        source=config_entries.SOURCE_IGNORE,
+        data={},
+        unique_id="AAAA:AAAA_1234_test_zigbee radio",
+    )
+    entry.add_to_hass(hass)
+    await hass.async_block_till_done()
+    discovery_info = {
+        "device": "/dev/ttyZIGBEE",
+        "pid": "AAAA",
+        "vid": "AAAA",
+        "serial_number": "1234",
+        "description": "zigbee radio",
+        "manufacturer": "test",
+    }
+    result = await hass.config_entries.flow.async_init(
+        "zha", context={"source": SOURCE_USB}, data=discovery_info
+    )
+    await hass.async_block_till_done()
+
+    assert result["type"] == RESULT_TYPE_ABORT
+    assert result["reason"] == "already_configured"
+    assert entry.data[CONF_DEVICE] == {
+        CONF_DEVICE_PATH: "/dev/ttyZIGBEE",
+    }
+
+
 @patch("homeassistant.components.zha.async_setup_entry", AsyncMock(return_value=True))
 @patch("zigpy_znp.zigbee.application.ControllerApplication.probe", return_value=True)
 async def test_discovery_already_setup(detect_mock, hass):