1 files changed, 1 insertions, 0 deletions

diff --git a/timev.h b/timev.h
index 6f124aa6bf..af97ed95b5 100644
--- a/timev.h
+++ b/timev.h
@@ -1,5 +1,6 @@
 #ifndef RUBY_TIMEV_H
 #define RUBY_TIMEV_H
+#include "ruby/ruby.h"
 
 #if 0
 struct vtm {/* dummy for TAGS */};