diff --git a/custom_components/panasonic_smart_app/smartApp/__init__.py b/custom_components/panasonic_smart_app/smartApp/__init__.py
index aadfef4..b5b9c81 100644
--- a/custom_components/panasonic_smart_app/smartApp/__init__.py
+++ b/custom_components/panasonic_smart_app/smartApp/__init__.py
@@ -226,7 +226,7 @@ async def request(
                 timeout=REQUEST_TIMEOUT,
             )
         except:
-            auth = headers["auth"] or None
+            auth = headers.get("auth")
             if auth:
                 device = list(
                     filter(lambda device: device["auth"] == auth, self._devices)
@@ -246,7 +246,7 @@ async def request(
             resp = await response.json()
 
             if resp.get("StateMsg") == EXCEPTION_COMMAND_NOT_FOUND:
-                auth = headers["auth"]
+                auth = headers.get("auth")
                 if auth:
                     device = list(
                         filter(lambda device: device["auth"] == auth, self._devices)