diff --git a/tools/releasetools/apex_utils.py b/tools/releasetools/apex_utils.py
index 22992e8..d7b0ba2 100644
--- a/tools/releasetools/apex_utils.py
+++ b/tools/releasetools/apex_utils.py
@@ -415,7 +415,7 @@
   apex_zip = zipfile.ZipFile(apex_file, 'a', allowZip64=True)
   common.ZipWrite(apex_zip, payload_file, arcname=APEX_PAYLOAD_IMAGE)
   common.ZipWrite(apex_zip, payload_public_key, arcname=APEX_PUBKEY)
-  apex_zip.close()
+  common.ZipClose(apex_zip)
 
   # 3. Sign the APEX container with container_key.
   signed_apex = common.MakeTempFile(prefix='apex-container-', suffix='.apex')