diff --git a/Doc/ACKS.txt b/Doc/ACKS.txt
index 03e1a6b..1ff8498 100644
--- a/Doc/ACKS.txt
+++ b/Doc/ACKS.txt
@@ -204,6 +204,7 @@
    * Anthony Starks
    * Greg Stein
    * Peter Stoehr
+   * Serhiy Storchaka
    * Mark Summerfield
    * Reuben Sumner
    * Kalle Svensson
diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py
index bd89950..be32d88 100644
--- a/Lib/test/test_struct.py
+++ b/Lib/test/test_struct.py
@@ -559,12 +559,12 @@
     def test_sizeof(self):
         self.assertGreater(sys.getsizeof(struct.Struct('BHILfdspP')),
                            sys.getsizeof(struct.Struct('B')))
-        self.assertGreaterEqual(sys.getsizeof(struct.Struct('123B')),
+        self.assertGreater(sys.getsizeof(struct.Struct('123B')),
                                 sys.getsizeof(struct.Struct('B')))
-        self.assertGreaterEqual(sys.getsizeof(struct.Struct('B' * 123)),
+        self.assertGreater(sys.getsizeof(struct.Struct('B' * 1234)),
                                 sys.getsizeof(struct.Struct('123B')))
-        self.assertGreaterEqual(sys.getsizeof(struct.Struct('123xB')),
-                                sys.getsizeof(struct.Struct('B')))
+        self.assertGreater(sys.getsizeof(struct.Struct('1234B')),
+                                sys.getsizeof(struct.Struct('123B')))
 
 def test_main():
     run_unittest(StructTest)