diff --git a/build_platform_packages.sh b/build_platform_packages.sh
index c5ab3ed46f..312d8fae00 100755
--- a/build_platform_packages.sh
+++ b/build_platform_packages.sh
@@ -29,7 +29,7 @@ PLATFORM_DIR="$SRC_ROOT/platform"
 PLATFORM_DIRS="acpi assets fake_hal init installer login_manager \
                memento_softwareupdate pam_google window_manager \
                cros chrome screenlocker cryptohome \
-               monitor_reconfig"
+               monitor_reconfig minijail"
 
 THIRD_PARTY_DIR="$SRC_ROOT/third_party"
 THIRD_PARTY_PACKAGES="connman e2fsprogs/files gflags gtest \