diff --git a/rest_framework/decorators.py b/rest_framework/decorators.py
index 60078947f..fb33d83c1 100644
--- a/rest_framework/decorators.py
+++ b/rest_framework/decorators.py
@@ -154,9 +154,10 @@ def action(methods=None, detail=None, name=None, url_path=None, url_name=None, *
         func.url_name = url_name if url_name else func.__name__.replace('_', '-')
         func.kwargs = kwargs
         func.kwargs.update({
-            'name': func.name,
             'description': func.__doc__ or None
         })
+        if 'suffix' not in kwargs:
+            func.kwargs['name'] = func.name
 
         return func
     return decorator
diff --git a/tests/test_decorators.py b/tests/test_decorators.py
index 7568513f3..f42e2e7c6 100644
--- a/tests/test_decorators.py
+++ b/tests/test_decorators.py
@@ -187,6 +187,16 @@ class ActionDecoratorTestCase(TestCase):
             'description': 'Description',
         }
 
+    def test_detail_suffix(self):
+        @action(detail=True, suffix='Suffix')
+        def test_action(request):
+            raise NotImplementedError
+
+        assert test_action.kwargs == {
+            'description': None,
+            'suffix': 'Suffix',
+        }
+
     def test_detail_required(self):
         with pytest.raises(AssertionError) as excinfo:
             @action()