1 files changed, 1 insertions, 1 deletions
diff --git a/sandbox/005-sandbox.mu b/sandbox/005-sandbox.mu
index 2fded997..ddffd14a 100644
--- a/sandbox/005-sandbox.mu
+++ b/sandbox/005-sandbox.mu
@@ -411,7 +411,7 @@ recipe editor-contents editor:address:editor-data -> result:address:array:charac
   {
     break-unless curr
     c:character <- get *curr, value:offset
-    buffer-append buf, c
+    buf <- append buf, c
     curr <- next curr
     loop
   }