1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/md5_sha1_sum.c b/coreutils/md5_sha1_sum.c
index bd1c9fc29..189a90778 100644
--- a/coreutils/md5_sha1_sum.c
+++ b/coreutils/md5_sha1_sum.c
@@ -80,7 +80,7 @@ static uint8_t *hash_file(const char *filename, uint8_t hash_algo)
 }
 
 /* This could become a common function for md5 as well, by using md5_stream */
-extern int hash_files(int argc, char **argv, const uint8_t hash_algo)
+static int hash_files(int argc, char **argv, const uint8_t hash_algo)
 {
         int return_value = EXIT_SUCCESS;
         uint8_t *hash_value;