diff --git a/func.c b/func.c
index 17bc0242..616317d6 100644
--- a/func.c
+++ b/func.c
@@ -42,6 +42,8 @@ void luaI_insertfunction (TFunc *f)
 static void freefunc (TFunc *f)
 {
   luaI_free (f->code);
+  if (f->locvars)
+    luaI_free (f->locvars);
   luaI_free (f);
 }