diff --git a/apps/cat.cpp b/apps/cat.cpp
index 8523b8df..5ac525fb 100644
--- a/apps/cat.cpp
+++ b/apps/cat.cpp
@@ -14,11 +14,12 @@ static Result<void> do_cat(StringView path)
     else
         f = TRY(File::open(path, File::ReadOnly));
 
+    auto buf = TRY(Buffer::create_sized(4096));
     while (1)
     {
-        String line = TRY(f->read_line());
-        if (line.is_empty()) break;
-        out->write(line.view());
+        TRY(f->read(buf, 4096));
+        if (buf.is_empty()) break;
+        out->write(buf);
     }
 
     return {};