diff --git a/Lib/zipimport.py b/Lib/zipimport.py
index d38a6801084..9bcc9af1092 100644
--- a/Lib/zipimport.py
+++ b/Lib/zipimport.py
@@ -513,6 +513,7 @@ def _read_directory(archive):
                             num_extra_values = (len(extra_data) - 4) // 8
                             if num_extra_values > 3:
                                 raise ZipImportError(f"can't read header extra: {archive!r}", path=archive)
+                            import struct  # for unpack_from
                             values = struct.unpack_from(f"<{min(num_extra_values, 3)}Q",
                                                         extra_data, offset=4)