diff --git a/homeassistant/config.py b/homeassistant/config.py
index a95da351a54..f536b2b2913 100644
--- a/homeassistant/config.py
+++ b/homeassistant/config.py
@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 from collections import OrderedDict
-from collections.abc import Callable, Iterable, Sequence
+from collections.abc import Callable, Hashable, Iterable, Sequence
 from contextlib import suppress
 from dataclasses import dataclass
 from enum import StrEnum
@@ -1415,7 +1415,7 @@ def extract_platform_integrations(
                 platform = item.get(CONF_PLATFORM)
             except AttributeError:
                 continue
-            if platform:
+            if platform and isinstance(platform, Hashable):
                 platform_integrations.setdefault(domain, set()).add(platform)
     return platform_integrations
 
diff --git a/tests/test_config.py b/tests/test_config.py
index af4b653e4f6..9d1cb9e3ce7 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -2348,6 +2348,7 @@ def test_extract_platform_integrations() -> None:
         [
             (b"zone", {"platform": "not str"}),
             ("zone", {"platform": "hello"}),
+            ("switch", {"platform": ["un", "hash", "able"]}),
             ("zonex", []),
             ("zoney", ""),
             ("notzone", {"platform": "nothello"}),
@@ -2363,6 +2364,7 @@ def test_extract_platform_integrations() -> None:
     assert config_util.extract_platform_integrations(config, {"zone"}) == {
         "zone": {"hello", "hello 2"}
     }
+    assert config_util.extract_platform_integrations(config, {"switch"}) == {}
     assert config_util.extract_platform_integrations(config, {"zonex"}) == {}
     assert config_util.extract_platform_integrations(config, {"zoney"}) == {}
     assert config_util.extract_platform_integrations(