1 files changed, 1 insertions, 1 deletions
diff --git a/posix/getuid.c b/posix/getuid.c
index ba81a80f65..19ad29626e 100644
--- a/posix/getuid.c
+++ b/posix/getuid.c
@@ -21,7 +21,7 @@
 
 /* Get the real user ID of the calling process.  */
 uid_t
-__getuid ()
+__getuid (void)
 {
   __set_errno (ENOSYS);
   return -1;