1 files changed, 1 insertions, 1 deletions
diff --git a/posix/setpgrp.c b/posix/setpgrp.c
index 18fce1db96..f31950b928 100644
--- a/posix/setpgrp.c
+++ b/posix/setpgrp.c
@@ -18,7 +18,7 @@
 #include <unistd.h>
 
 int
-setpgrp ()
+setpgrp (void)
 {
   return __setpgid (0, 0);
 }