diff --git a/src/lisp/main.c b/src/lisp/main.c
index 95eb196..94bdeaf 100644
--- a/src/lisp/main.c
+++ b/src/lisp/main.c
@@ -25,4 +25,6 @@
 	lisp_main();
 
 	free_all();
+	del_env(&env);
+	del_fistream(is);
 }