diff --git a/src/lisp/lib/classes.h b/src/lisp/lib/classes.h
new file mode 100644
index 0000000..7ebdc02
--- /dev/null
+++ b/src/lisp/lib/classes.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#include "../lisp.h"
+#include "../compiler.h"
+
+void load_classes(struct environment *env);