1 files changed, 1 insertions, 1 deletions
diff --git a/posix/getgid.c b/posix/getgid.c
index 14f9dc6..719f8fb 100644
--- a/posix/getgid.c
+++ b/posix/getgid.c
@@ -21,7 +21,7 @@
 
 /* Get the real group ID of the calling process.  */
 gid_t
-__getgid ()
+__getgid (void)
 {
   __set_errno (ENOSYS);
   return -1;