1 files changed, 1 insertions, 0 deletions
diff --git a/intern.h b/intern.h
index e1872938b8..5a299f3003 100644
--- a/intern.h
+++ b/intern.h
@@ -324,6 +324,7 @@ VALUE rb_f_exec _((int,VALUE*));
 int rb_waitpid _((int,int*,int));
 void rb_syswait _((int));
 VALUE rb_proc_times _((VALUE));
+VALUE rb_proc_detach _((int));
 /* range.c */
 VALUE rb_range_new _((VALUE, VALUE, int));
 VALUE rb_range_beg_len _((VALUE, long*, long*, long, int));