diff --git a/libraries/botbuilder-core/botbuilder/core/bot_framework_adapter.py b/libraries/botbuilder-core/botbuilder/core/bot_framework_adapter.py
index 515c183da..31540ccec 100644
--- a/libraries/botbuilder-core/botbuilder/core/bot_framework_adapter.py
+++ b/libraries/botbuilder-core/botbuilder/core/bot_framework_adapter.py
@@ -279,10 +279,18 @@ async def continue_conversation(
         context.turn_state[BotAdapter.BOT_CALLBACK_HANDLER_KEY] = callback
         context.turn_state[BotAdapter.BOT_OAUTH_SCOPE_KEY] = audience
 
-        # Add the channel service URL to the trusted services list so we can send messages back.
-        # the service URL for skills is trusted because it is applied by the SkillHandler based
-        # on the original request received by the root bot
-        AppCredentials.trust_service_url(reference.service_url)
+        # If we receive a valid app id in the incoming token claims, add the channel service URL to the
+        # trusted services list so we can send messages back.
+        # The service URL for skills is trusted because it is applied by the SkillHandler based on the original
+        # request received by the root bot
+        app_id_from_claims = JwtTokenValidation.get_app_id_from_claims(
+            claims_identity.claims
+        )
+        if app_id_from_claims:
+            if SkillValidation.is_skill_claim(
+                claims_identity.claims
+            ) or await self._credential_provider.is_valid_appid(app_id_from_claims):
+                AppCredentials.trust_service_url(reference.service_url)
 
         client = await self.create_connector_client(
             reference.service_url, claims_identity, audience
diff --git a/libraries/botbuilder-core/tests/test_bot_framework_adapter.py b/libraries/botbuilder-core/tests/test_bot_framework_adapter.py
index 8c6c98867..fe4f55e3f 100644
--- a/libraries/botbuilder-core/tests/test_bot_framework_adapter.py
+++ b/libraries/botbuilder-core/tests/test_bot_framework_adapter.py
@@ -571,8 +571,14 @@ async def callback(context: TurnContext):
             scope = context.turn_state[BotFrameworkAdapter.BOT_OAUTH_SCOPE_KEY]
             assert AuthenticationConstants.TO_CHANNEL_FROM_BOT_OAUTH_SCOPE == scope
 
+            # Ensure the serviceUrl was added to the trusted hosts
+            assert AppCredentials.is_trusted_service(channel_service_url)
+
         refs = ConversationReference(service_url=channel_service_url)
 
+        # Ensure the serviceUrl is NOT in the trusted hosts
+        assert not AppCredentials.is_trusted_service(channel_service_url)
+
         await adapter.continue_conversation(
             refs, callback, claims_identity=skills_identity
         )
@@ -629,8 +635,14 @@ async def callback(context: TurnContext):
             scope = context.turn_state[BotFrameworkAdapter.BOT_OAUTH_SCOPE_KEY]
             assert skill_2_app_id == scope
 
+            # Ensure the serviceUrl was added to the trusted hosts
+            assert AppCredentials.is_trusted_service(skill_2_service_url)
+
         refs = ConversationReference(service_url=skill_2_service_url)
 
+        # Ensure the serviceUrl is NOT in the trusted hosts
+        assert not AppCredentials.is_trusted_service(skill_2_service_url)
+
         await adapter.continue_conversation(
             refs, callback, claims_identity=skills_identity, audience=skill_2_app_id
         )