diff --git a/tools/releasetools/apex_utils.py b/tools/releasetools/apex_utils.py
index 6730a25..d7b0ba2 100644
--- a/tools/releasetools/apex_utils.py
+++ b/tools/releasetools/apex_utils.py
@@ -540,7 +540,7 @@
           apex_file,
           payload_key=payload_key,
           container_key=container_key,
-          container_pw=None,
+          container_pw=container_pw,
           codename_to_api_level_map=codename_to_api_level_map,
           no_hashtree=no_hashtree,
           apk_keys=apk_keys,
@@ -553,7 +553,7 @@
           apex_file,
           payload_key=payload_key,
           container_key=container_key,
-          container_pw=None,
+          container_pw=container_pw,
           codename_to_api_level_map=codename_to_api_level_map,
           no_hashtree=no_hashtree,
           apk_keys=apk_keys,