1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/cksum.c b/coreutils/cksum.c
index 987f5f32c..dd274afc2 100644
--- a/coreutils/cksum.c
+++ b/coreutils/cksum.c
@@ -8,7 +8,7 @@
 
 #include "libbb.h"
 
-int cksum_main(int argc, char **argv);
+int cksum_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cksum_main(int argc, char **argv)
 {
         uint32_t *crc32_table = crc32_filltable(NULL, 1);