diff --git a/homeassistant/components/plaato/config_flow.py b/homeassistant/components/plaato/config_flow.py
index 10bd96aa72c..dc9533c4be2 100644
--- a/homeassistant/components/plaato/config_flow.py
+++ b/homeassistant/components/plaato/config_flow.py
@@ -85,7 +85,10 @@ class PlaatoConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         use_webhook = self._init_info[CONF_USE_WEBHOOK]
 
         if use_webhook and user_input is None:
-            webhook_id, webhook_url, cloudhook = await self._get_webhook_id()
+            try:
+                webhook_id, webhook_url, cloudhook = await self._get_webhook_id()
+            except cloud.CloudNotConnected:
+                return self.async_abort(reason="cloud_not_connected")
             self._init_info[CONF_WEBHOOK_ID] = webhook_id
             self._init_info[CONF_CLOUDHOOK] = cloudhook
 
diff --git a/homeassistant/components/plaato/strings.json b/homeassistant/components/plaato/strings.json
index 85bc39a8d83..9a4366da668 100644
--- a/homeassistant/components/plaato/strings.json
+++ b/homeassistant/components/plaato/strings.json
@@ -28,6 +28,7 @@
       "no_api_method": "You need to add an auth token or select webhook"
     },
     "abort": {
+      "cloud_not_connected": "[%key:common::config_flow::abort::cloud_not_connected%]",
       "single_instance_allowed": "[%key:common::config_flow::abort::single_instance_allowed%]",
       "webhook_not_internet_accessible": "[%key:common::config_flow::abort::webhook_not_internet_accessible%]",
       "already_configured": "[%key:common::config_flow::abort::already_configured_account%]"
diff --git a/tests/components/plaato/test_config_flow.py b/tests/components/plaato/test_config_flow.py
index 887b2b2bb01..ba244138469 100644
--- a/tests/components/plaato/test_config_flow.py
+++ b/tests/components/plaato/test_config_flow.py
@@ -12,7 +12,12 @@ from homeassistant.components.plaato.const import (
     DOMAIN,
 )
 from homeassistant.const import CONF_SCAN_INTERVAL, CONF_TOKEN, CONF_WEBHOOK_ID
-from homeassistant.data_entry_flow import RESULT_TYPE_CREATE_ENTRY, RESULT_TYPE_FORM
+from homeassistant.data_entry_flow import (
+    RESULT_TYPE_ABORT,
+    RESULT_TYPE_CREATE_ENTRY,
+    RESULT_TYPE_FORM,
+)
+from homeassistant.setup import async_setup_component
 
 from tests.common import MockConfigEntry
 
@@ -95,12 +100,16 @@ async def test_show_config_form_validate_webhook(hass, webhook_id):
     assert result["type"] == RESULT_TYPE_FORM
     assert result["step_id"] == "api_method"
 
-    hass.config.components.add("cloud")
+    assert await async_setup_component(hass, "cloud", {})
     with patch(
         "homeassistant.components.cloud.async_active_subscription", return_value=True
     ), patch(
-        "homeassistant.components.cloud.async_create_cloudhook",
-        return_value="https://hooks.nabu.casa/ABCD",
+        "homeassistant.components.cloud.async_is_logged_in", return_value=True
+    ), patch(
+        "homeassistant.components.cloud.async_is_connected", return_value=True
+    ), patch(
+        "hass_nabucasa.cloudhooks.Cloudhooks.async_create",
+        return_value={"cloudhook_url": "https://hooks.nabu.casa/ABCD"},
     ):
         result = await hass.config_entries.flow.async_configure(
             result["flow_id"],
@@ -114,6 +123,50 @@ async def test_show_config_form_validate_webhook(hass, webhook_id):
     assert result["step_id"] == "webhook"
 
 
+async def test_show_config_form_validate_webhook_not_connected(hass, webhook_id):
+    """Test validating webhook when not connected aborts."""
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
+    )
+
+    assert result["type"] == RESULT_TYPE_FORM
+    assert result["step_id"] == "user"
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input={
+            CONF_DEVICE_TYPE: PlaatoDeviceType.Airlock,
+            CONF_DEVICE_NAME: "device_name",
+        },
+    )
+
+    assert result["type"] == RESULT_TYPE_FORM
+    assert result["step_id"] == "api_method"
+
+    assert await async_setup_component(hass, "cloud", {})
+    with patch(
+        "homeassistant.components.cloud.async_active_subscription", return_value=True
+    ), patch(
+        "homeassistant.components.cloud.async_is_logged_in", return_value=True
+    ), patch(
+        "homeassistant.components.cloud.async_is_connected", return_value=False
+    ), patch(
+        "hass_nabucasa.cloudhooks.Cloudhooks.async_create",
+        return_value={"cloudhook_url": "https://hooks.nabu.casa/ABCD"},
+    ):
+        result = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            user_input={
+                CONF_TOKEN: "",
+                CONF_USE_WEBHOOK: True,
+            },
+        )
+
+    assert result["type"] == RESULT_TYPE_ABORT
+    assert result["reason"] == "cloud_not_connected"
+
+
 async def test_show_config_form_validate_token(hass):
     """Test show configuration form."""