diff --git a/src/allmydata/test/test_istorageserver.py b/src/allmydata/test/test_istorageserver.py
index 68d7e2972..75fbe42e2 100644
--- a/src/allmydata/test/test_istorageserver.py
+++ b/src/allmydata/test/test_istorageserver.py
@@ -118,7 +118,7 @@ class IStorageServerImmutableAPIsTestsMixin(object):
         self.assertEqual(already_got, already_got2)
         self.assertEqual(set(allocated.keys()), set(allocated2.keys()))
 
-    test_allocate_buckets_repeat.todo = (
+    test_allocate_buckets_repeat.skip = (
         "https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3793"
     )
 
@@ -154,7 +154,7 @@ class IStorageServerImmutableAPIsTestsMixin(object):
         self.assertEqual(already_got2, set())  # none were fully written
         self.assertEqual(set(allocated2.keys()), set(range(7)))
 
-    test_allocate_buckets_more_sharenums.todo = (
+    test_allocate_buckets_more_sharenums.skip = (
         "https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3793"
     )