diff --git a/homeassistant/components/airgradient/config_flow.py b/homeassistant/components/airgradient/config_flow.py
index 93cd0be61c4..70fa8a1755b 100644
--- a/homeassistant/components/airgradient/config_flow.py
+++ b/homeassistant/components/airgradient/config_flow.py
@@ -92,7 +92,9 @@ class AirGradientConfigFlow(ConfigFlow, domain=DOMAIN):
             except AirGradientError:
                 errors["base"] = "cannot_connect"
             else:
-                await self.async_set_unique_id(current_measures.serial_number)
+                await self.async_set_unique_id(
+                    current_measures.serial_number, raise_on_progress=False
+                )
                 self._abort_if_unique_id_configured()
                 await self.set_configuration_source()
                 return self.async_create_entry(
diff --git a/tests/components/airgradient/test_config_flow.py b/tests/components/airgradient/test_config_flow.py
index 222ac5d04af..8730b18676f 100644
--- a/tests/components/airgradient/test_config_flow.py
+++ b/tests/components/airgradient/test_config_flow.py
@@ -253,3 +253,32 @@ async def test_zeroconf_flow_abort_old_firmware(hass: HomeAssistant) -> None:
     )
     assert result["type"] is FlowResultType.ABORT
     assert result["reason"] == "invalid_version"
+
+
+async def test_user_flow_works_discovery(
+    hass: HomeAssistant,
+    mock_new_airgradient_client: AsyncMock,
+    mock_setup_entry: AsyncMock,
+) -> None:
+    """Test user flow can continue after discovery happened."""
+    await hass.config_entries.flow.async_init(
+        DOMAIN,
+        context={"source": SOURCE_ZEROCONF},
+        data=ZEROCONF_DISCOVERY,
+    )
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN,
+        context={"source": SOURCE_USER},
+    )
+    assert len(hass.config_entries.flow.async_progress(DOMAIN)) == 2
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "user"
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        {CONF_HOST: "10.0.0.131"},
+    )
+    assert result["type"] is FlowResultType.CREATE_ENTRY
+
+    # Verify the discovery flow was aborted
+    assert not hass.config_entries.flow.async_progress(DOMAIN)