1 files changed, 1 insertions, 0 deletions
diff --git a/parse.y b/parse.y
index b5743e4472..58283dceb2 100644
--- a/parse.y
+++ b/parse.y
@@ -19,6 +19,7 @@
 #include "ruby/st.h"
 #include "ruby/encoding.h"
 #include "node.h"
+#include "parse.h"
 #include "id.h"
 #include "regenc.h"
 #include <stdio.h>