1 files changed, 3 insertions, 0 deletions
diff --git a/insnhelper.h b/insnhelper.h
index f8439f7725..59536b2e7a 100644
--- a/insnhelper.h
+++ b/insnhelper.h
@@ -14,6 +14,9 @@
 #define _INSNHELPER_H_INCLUDED_
 
 #include "ruby/ruby.h"
+#include "ruby/node.h"
+#include "eval_intern.h"
+#include "vm_core.h"
 #include "vm.h"
 
 /**********************************************************/