1 files changed, 1 insertions, 1 deletions
diff --git a/thread.c b/thread.c
index 7e38ce40b9..37e805358a 100644
--- a/thread.c
+++ b/thread.c
@@ -5204,7 +5204,7 @@ rb_uninterruptible(VALUE (*b_proc)(ANYARGS), VALUE data)
 }
 
 void
-ruby_kill(pid_t pid, int sig)
+ruby_kill(rb_pid_t pid, int sig)
 {
     int err;
     rb_thread_t *th = GET_THREAD();