diff --git a/modules/openapi-generator/src/main/resources/python-legacy/asyncio/rest.mustache b/modules/openapi-generator/src/main/resources/python-legacy/asyncio/rest.mustache
index 538a69bf8eb..61ad3f2ffa3 100644
--- a/modules/openapi-generator/src/main/resources/python-legacy/asyncio/rest.mustache
+++ b/modules/openapi-generator/src/main/resources/python-legacy/asyncio/rest.mustache
@@ -62,7 +62,8 @@ class RESTClientObject(object):
 
         # https pool manager
         self.pool_manager = aiohttp.ClientSession(
-            connector=connector
+            connector=connector,
+            trust_env=True
         )
 
     async def close(self):
diff --git a/modules/openapi-generator/src/main/resources/python/asyncio/rest.mustache b/modules/openapi-generator/src/main/resources/python/asyncio/rest.mustache
index 3744b62c81e..d69e7fd8312 100644
--- a/modules/openapi-generator/src/main/resources/python/asyncio/rest.mustache
+++ b/modules/openapi-generator/src/main/resources/python/asyncio/rest.mustache
@@ -60,7 +60,8 @@ class RESTClientObject(object):
 
         # https pool manager
         self.pool_manager = aiohttp.ClientSession(
-            connector=connector
+            connector=connector,
+            trust_env=True
         )
 
     async def close(self):
diff --git a/samples/client/petstore/python-asyncio/petstore_api/rest.py b/samples/client/petstore/python-asyncio/petstore_api/rest.py
index 75ee140efba..263fe1daafb 100644
--- a/samples/client/petstore/python-asyncio/petstore_api/rest.py
+++ b/samples/client/petstore/python-asyncio/petstore_api/rest.py
@@ -70,7 +70,8 @@ class RESTClientObject(object):
 
         # https pool manager
         self.pool_manager = aiohttp.ClientSession(
-            connector=connector
+            connector=connector,
+            trust_env=True
         )
 
     async def close(self):