diff --git a/gapic/ads-templates/%namespace/%name/%version/%sub/services/%service/client.py.j2 b/gapic/ads-templates/%namespace/%name/%version/%sub/services/%service/client.py.j2
index ff7e2c4d48..12e92de7d1 100644
--- a/gapic/ads-templates/%namespace/%name/%version/%sub/services/%service/client.py.j2
+++ b/gapic/ads-templates/%namespace/%name/%version/%sub/services/%service/client.py.j2
@@ -170,7 +170,7 @@ class {{ service.client_name }}(metaclass={{ service.client_name }}Meta):
                                  'provide its credentials directly.')
             self._transport = transport
         elif client_options is None or (
-            client_options.api_endpoint == None
+            client_options.api_endpoint is None
             and client_options.client_cert_source is None
         ):
             # Don't trigger mTLS if we get an empty ClientOptions.
diff --git a/gapic/ads-templates/tests/unit/%name_%version/%sub/test_%service.py.j2 b/gapic/ads-templates/tests/unit/%name_%version/%sub/test_%service.py.j2
index 5cd0019b59..acbc8c1730 100644
--- a/gapic/ads-templates/tests/unit/%name_%version/%sub/test_%service.py.j2
+++ b/gapic/ads-templates/tests/unit/%name_%version/%sub/test_%service.py.j2
@@ -42,7 +42,7 @@ def test__get_default_mtls_endpoint():
     sandbox_mtls_endpoint = "example.mtls.sandbox.googleapis.com"
     non_googleapi = "api.example.com"
 
-    assert {{ service.client_name }}._get_default_mtls_endpoint(None) == None
+    assert {{ service.client_name }}._get_default_mtls_endpoint(None) is None
     assert {{ service.client_name }}._get_default_mtls_endpoint(api_endpoint) == api_mtls_endpoint
     assert {{ service.client_name }}._get_default_mtls_endpoint(api_mtls_endpoint) == api_mtls_endpoint
     assert {{ service.client_name }}._get_default_mtls_endpoint(sandbox_endpoint) == sandbox_mtls_endpoint
diff --git a/gapic/templates/%namespace/%name_%version/%sub/services/%service/client.py.j2 b/gapic/templates/%namespace/%name_%version/%sub/services/%service/client.py.j2
index 4099fe5b10..a3c9d5b9b3 100644
--- a/gapic/templates/%namespace/%name_%version/%sub/services/%service/client.py.j2
+++ b/gapic/templates/%namespace/%name_%version/%sub/services/%service/client.py.j2
@@ -170,7 +170,7 @@ class {{ service.client_name }}(metaclass={{ service.client_name }}Meta):
                                  'provide its credentials directly.')
             self._transport = transport
         elif client_options is None or (
-            client_options.api_endpoint == None
+            client_options.api_endpoint is None
             and client_options.client_cert_source is None
         ):
             # Don't trigger mTLS if we get an empty ClientOptions.
diff --git a/gapic/templates/tests/unit/%name_%version/%sub/test_%service.py.j2 b/gapic/templates/tests/unit/%name_%version/%sub/test_%service.py.j2
index aac51fe791..3a1aa0e350 100644
--- a/gapic/templates/tests/unit/%name_%version/%sub/test_%service.py.j2
+++ b/gapic/templates/tests/unit/%name_%version/%sub/test_%service.py.j2
@@ -42,7 +42,7 @@ def test__get_default_mtls_endpoint():
     sandbox_mtls_endpoint = "example.mtls.sandbox.googleapis.com"
     non_googleapi = "api.example.com"
 
-    assert {{ service.client_name }}._get_default_mtls_endpoint(None) == None
+    assert {{ service.client_name }}._get_default_mtls_endpoint(None) is None
     assert {{ service.client_name }}._get_default_mtls_endpoint(api_endpoint) == api_mtls_endpoint
     assert {{ service.client_name }}._get_default_mtls_endpoint(api_mtls_endpoint) == api_mtls_endpoint
     assert {{ service.client_name }}._get_default_mtls_endpoint(sandbox_endpoint) == sandbox_mtls_endpoint