diff --git a/Lib/test/test_zipfile/test_core.py b/Lib/test/test_zipfile/test_core.py
index 28840e62db9..24c466132c5 100644
--- a/Lib/test/test_zipfile/test_core.py
+++ b/Lib/test/test_zipfile/test_core.py
@@ -1846,6 +1846,7 @@ def test_repack_bytes_between_files(self):
                         for i, (file, data) in enumerate(self.test_files):
                             zh.writestr(file, data)
                             fh.write(b' dummy bytes ')
+                            zh.start_dir = fh.tell()
                 with zipfile.ZipFile(TESTFN, 'a', self.compression) as zh:
                     for i in ii:
                         zh.remove(self.test_files[i][0])
@@ -2168,6 +2169,7 @@ def test_repack_removed_bytes_between_files(self):
                                 zh.writestr(file, data)
                                 expected_zinfos.append(ComparableZipInfo(zh.getinfo(file)))
                             fh.write(b' dummy bytes ')
+                            zh.start_dir = fh.tell()
                 expected_size = os.path.getsize(TESTFN)
 
                 # do the removal and check the result
@@ -2176,6 +2178,7 @@ def test_repack_removed_bytes_between_files(self):
                         for i, (file, data) in enumerate(self.test_files):
                             zh.writestr(file, data)
                             fh.write(b' dummy bytes ')
+                            zh.start_dir = fh.tell()
                 with zipfile.ZipFile(TESTFN, 'a', self.compression) as zh:
                     zinfos = [zh.remove(self.test_files[i][0]) for i in ii]
                     zh.repack(zinfos)
diff --git a/Lib/zipfile/__init__.py b/Lib/zipfile/__init__.py
index 6ad4a3bd5f9..1a27fbeb354 100644
--- a/Lib/zipfile/__init__.py
+++ b/Lib/zipfile/__init__.py
@@ -1469,6 +1469,9 @@ def repack(self, zfile, removed=None):
                 raise BadZipFile(
                     f"Overlapped entries: {zinfo.orig_filename!r} ")
 
+            if removed is not None and zinfo not in removed_zinfos:
+                used_entry_size = entry_size
+
             entry_size_list.append(entry_size)
             used_entry_size_list.append(used_entry_size)