1 files changed, 1 insertions, 0 deletions

diff --git a/lisp.y b/lisp.y
index a4ed142..ec246f3 100644
--- a/lisp.y
+++ b/lisp.y
@@ -1,6 +1,7 @@
 %{
 #include <stdio.h>
 #include <stdlib.h>
+#include "lisp_api.h"
 #include "lisp.h"
 
 int yylex(void);