1 files changed, 1 insertions, 1 deletions
diff --git a/src/ninep/pty.zig b/src/ninep/pty.zig
index 1b71a8d3..c657d27d 100644
--- a/src/ninep/pty.zig
+++ b/src/ninep/pty.zig
@@ -42,7 +42,7 @@ pub fn writeCtl(p: *Pardes, req: Req, id: usize) Reply {
         while (it.next()) |raw| {
             const line = std.mem.trim(u8, raw, " \t\r");
             if (line.len == 0) continue;
-            if (!verb(p, id, line, apply)) return Reply.fail(req.tag, E.INVAL);
+            if (!verb(p, id, line, apply)) return tree.failText(req.tag, E.INVAL, tree.e_bad_ctl);
         }
     }
     return .{ .tag = req.tag, .written = @intCast(req.data.len) };