1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/sleep.c b/coreutils/sleep.c
index 26cdbc470..6890e35c1 100644
--- a/coreutils/sleep.c
+++ b/coreutils/sleep.c
@@ -33,7 +33,7 @@ static const struct suffix_mult sfx[] = {
 };
 #endif
 
-int sleep_main(int argc, char **argv);
+int sleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sleep_main(int argc, char **argv)
 {
         unsigned duration;