diff --git a/src/tty.zig b/src/tty.zig
index c59324c..7784cc1 100644
--- a/src/tty.zig
+++ b/src/tty.zig
@@ -76,7 +76,7 @@ pub const PosixTty = struct {
         const self: PosixTty = .{
             .fd = fd,
             .termios = termios,
-            .reader = file.reader(),
+            .reader = file.reader(buffer),
             .writer = .initStreaming(file, buffer),
         };