2 files changed, 2 insertions, 2 deletions

diff --git a/archival/libarchive/data_extract_to_command.c b/archival/libarchive/data_extract_to_command.c
index a2ce33b51..5b32c2ec8 100644
--- a/archival/libarchive/data_extract_to_command.c
+++ b/archival/libarchive/data_extract_to_command.c
@@ -103,7 +103,7 @@ void FAST_FUNC data_extract_to_command(archive_handle_t *archive_handle)
                                 archive_handle->tar__to_command_shell,
                                 "-c",
                                 archive_handle->tar__to_command,
-                                NULL);
+                                (char *)0);
                         bb_perror_msg_and_die("can't execute '%s'", archive_handle->tar__to_command_shell);
                 }
                 close(p[0]);
diff --git a/archival/tar.c b/archival/tar.c
index f46f7bb7a..c0ceff589 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -567,7 +567,7 @@ static void NOINLINE vfork_compressor(int tar_fd, int gzip)
                 xmove_fd(gzipDataPipe.rd, 0);
                 xmove_fd(tar_fd, 1);
                 /* exec gzip/bzip2 program/applet */
-                BB_EXECLP(zip_exec, zip_exec, "-f", NULL);
+                BB_EXECLP(zip_exec, zip_exec, "-f", (char *)0);
                 vfork_exec_errno = errno;
                 _exit(EXIT_FAILURE);
         }