diff --git a/gapic/ads-templates/%namespace/%name/%version/%sub/types/_message.py.j2 b/gapic/ads-templates/%namespace/%name/%version/%sub/types/_message.py.j2
index ea4d5eb25..86b128925 100644
--- a/gapic/ads-templates/%namespace/%name/%version/%sub/types/_message.py.j2
+++ b/gapic/ads-templates/%namespace/%name/%version/%sub/types/_message.py.j2
@@ -12,7 +12,7 @@ class {{ message.name }}({{ p }}.Message):
     {% endif %}
     {% endif %}
     {# Use select filter to capture nested values. See https://github.com/googleapis/gapic-generator-python/issues/1083 #} 
-    {%- if message.fields.values() | map(attribute="oneof") | select | list %}
+    {%- if message.fields.values() | map(attribute="oneof", default="") | select | list %}
     .. _oneof: https://proto-plus-python.readthedocs.io/en/stable/fields.html#oneofs-mutually-exclusive-fields
 
     {% endif %}
@@ -43,7 +43,7 @@ class {{ message.name }}({{ p }}.Message):
         {% endif %}
     {% endfor %}
 
-    {% if "next_page_token" in message.fields.values()|map(attribute='name') %}
+    {% if "next_page_token" in message.fields.values()|map(attribute='name', default="") %}
     @property
     def raw_page(self):
         return self
diff --git a/gapic/ads-templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2 b/gapic/ads-templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2
index 5cc8a9b80..af148882f 100644
--- a/gapic/ads-templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2
+++ b/gapic/ads-templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2
@@ -607,7 +607,7 @@ def test_{{ method_name }}(request_type, transport: str = 'grpc'):
     for message in response:
         assert isinstance(message, {{ method.output.ident }})
     {% else %}
-    {% if "next_page_token" in method.output.fields.values()|map(attribute='name') and not method.paged_result_field %}
+    {% if "next_page_token" in method.output.fields.values()|map(attribute='name', default="") and not method.paged_result_field %}
     {# Cheeser assertion to force code coverage for bad paginated methods #}
     assert response.raw_page is response
     {% endif %}
@@ -1215,7 +1215,7 @@ def test_{{ method.name|snake_case }}_rest(request_type):
         response = client.{{ method_name }}(request)
         {% endif %}
 
-    {% if "next_page_token" in method.output.fields.values()|map(attribute='name') and not method.paged_result_field %}
+    {% if "next_page_token" in method.output.fields.values()|map(attribute='name', default="") and not method.paged_result_field %}
     {# Cheeser assertion to force code coverage for bad paginated methods #}
     assert response.raw_page is response
 
diff --git a/gapic/templates/%namespace/%name_%version/%sub/types/_message.py.j2 b/gapic/templates/%namespace/%name_%version/%sub/types/_message.py.j2
index eb2dc2399..714b9eead 100644
--- a/gapic/templates/%namespace/%name_%version/%sub/types/_message.py.j2
+++ b/gapic/templates/%namespace/%name_%version/%sub/types/_message.py.j2
@@ -12,7 +12,7 @@ class {{ message.name }}({{ p }}.Message):
     {% endif %}
     {% endif %}
     {# Use select filter to capture nested values. See https://github.com/googleapis/gapic-generator-python/issues/1083 #} 
-    {%- if message.fields.values() | map(attribute="oneof") | select | list %}
+    {%- if message.fields.values() | map(attribute="oneof", default="") | select | list %}
     .. _oneof: https://proto-plus-python.readthedocs.io/en/stable/fields.html#oneofs-mutually-exclusive-fields
 
     {% endif %}
@@ -43,7 +43,7 @@ class {{ message.name }}({{ p }}.Message):
         {% endif %}
     {% endfor %}
 
-    {% if "next_page_token" in message.fields.values()|map(attribute='name') %}
+    {% if "next_page_token" in message.fields.values()|map(attribute='name', default="") %}
     @property
     def raw_page(self):
         return self
diff --git a/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_macros.j2 b/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_macros.j2
index bae87184f..2b3c3a382 100644
--- a/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_macros.j2
+++ b/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_macros.j2
@@ -93,7 +93,7 @@ def test_{{ method_name }}(request_type, transport: str = 'grpc'):
     for message in response:
         assert isinstance(message, {{ method.output.ident }})
     {% else %}
-    {% if "next_page_token" in method.output.fields.values()|map(attribute='name') and not method.paged_result_field %}
+    {% if "next_page_token" in method.output.fields.values()|map(attribute='name', default="") and not method.paged_result_field %}
     {# Cheeser assertion to force code coverage for bad paginated methods #}
     assert response.raw_page is response
     {% endif %}
@@ -1278,7 +1278,7 @@ def test_{{ method_name }}_rest(request_type):
         response = client.{{ method_name }}(request)
         {% endif %}
 
-    {% if "next_page_token" in method_output.fields.values()|map(attribute='name') and not method.paged_result_field %}
+    {% if "next_page_token" in method_output.fields.values()|map(attribute='name', default="") and not method.paged_result_field %}
     {# Cheeser assertion to force code coverage for bad paginated methods #}
     assert response.raw_page is response