diff --git a/drf_spectacular/openapi.py b/drf_spectacular/openapi.py
index 0aee6915..09e99264 100644
--- a/drf_spectacular/openapi.py
+++ b/drf_spectacular/openapi.py
@@ -951,9 +951,9 @@ def _get_response_for_code(self, serializer, status_code, media_types=None):
                     name=paginated_name,
                     type=ResolvedComponent.SCHEMA,
                     schema=paginator.get_paginated_response_schema(schema),
-                    object=paginated_name,
+                    object=serializer,
                 )
-                self.registry.register(component)
+                self.registry.register_on_missing(component)
                 schema = component.ref
             elif paginator:
                 schema = paginator.get_paginated_response_schema(schema)
diff --git a/drf_spectacular/plumbing.py b/drf_spectacular/plumbing.py
index 47b32628..8708f749 100644
--- a/drf_spectacular/plumbing.py
+++ b/drf_spectacular/plumbing.py
@@ -437,7 +437,7 @@ def __init__(self):
         self._components = {}
 
     def register(self, component: ResolvedComponent):
-        if component.key in self._components:
+        if component in self:
             warn(
                 f'trying to re-register a {component.type} component with name '
                 f'{self._components[component.key].name}. this might lead to '
@@ -446,7 +446,7 @@ def register(self, component: ResolvedComponent):
         self._components[component.key] = component
 
     def register_on_missing(self, component: ResolvedComponent):
-        if component.key not in self._components:
+        if component not in self:
             self._components[component.key] = component
 
     def __contains__(self, component):
diff --git a/tests/test_regressions.py b/tests/test_regressions.py
index cd8e09ad..60ba2de0 100644
--- a/tests/test_regressions.py
+++ b/tests/test_regressions.py
@@ -1029,6 +1029,31 @@ class XViewset(viewsets.ReadOnlyModelViewSet):
     assert substitution['properties']['results']['items']['$ref'] == '#/components/schemas/X'
 
 
+def test_pagination_reusage(no_warnings):
+    class M7(models.Model):
+        pass
+
+    class XSerializer(serializers.ModelSerializer):
+        class Meta:
+            fields = '__all__'
+            model = M7
+
+    class XViewset(viewsets.ReadOnlyModelViewSet):
+        queryset = M7.objects.all()
+        serializer_class = XSerializer
+        pagination_class = pagination.LimitOffsetPagination
+
+    class YViewset(XViewset):
+        serializer_class = XSerializer
+
+    router = routers.SimpleRouter()
+    router.register('x', XViewset, basename='x')
+    router.register('y', YViewset, basename='y')
+    generator = SchemaGenerator(patterns=router.urls)
+    schema = generator.get_schema(request=None, public=True)
+    validate_schema(schema)
+
+
 @mock.patch(
     'drf_spectacular.settings.spectacular_settings.SECURITY',
     [{'apiKeyAuth': []}]
diff --git a/tests/test_warnings.py b/tests/test_warnings.py
index fb27b2ff..89273aaa 100644
--- a/tests/test_warnings.py
+++ b/tests/test_warnings.py
@@ -15,7 +15,7 @@
 from tests import generate_schema
 
 
-def test_serializer_name_reuse(warnings):
+def test_serializer_name_reuse(capsys):
     from rest_framework import routers
 
     from drf_spectacular.generators import SchemaGenerator
@@ -29,7 +29,7 @@ class XSerializer(serializers.Serializer):
 
     def x2():
         class XSerializer(serializers.Serializer):
-            integer = serializers.IntegerField
+            integer = serializers.IntegerField()
 
         return XSerializer
 
@@ -46,6 +46,9 @@ class X2Viewset(mixins.ListModelMixin, viewsets.GenericViewSet):
     generator = SchemaGenerator(patterns=router.urls)
     generator.get_schema(request=None, public=True)
 
+    stderr = capsys.readouterr().err
+    assert 'Encountered 2 components with identical names "X" and different classes' in stderr
+
 
 def test_owned_serializer_naming_override_with_ref_name_collision(warnings):
     class XSerializer(serializers.Serializer):