diff --git a/AnyReadable.zig b/AnyReadable.zig
index ed0a26491d59d6863a249c76488ddaf43d75c780..5ddaa53a11f0276ed97ae75531f38d0178a9039f 100644
--- a/AnyReadable.zig
+++ b/AnyReadable.zig
@@ -4,6 +4,7 @@ const nio = @import("./nio.zig");
 const AnyReadable = @This();
 
 vtable: *const struct {
+    read: *const fn (*allowzero anyopaque, []u8) anyerror!usize,
 },
 state: *allowzero anyopaque,