diff --git a/lib/std/http/Server.zig b/lib/std/http/Server.zig
index 0a1e5abbccedbe9449aae2ef2cb302bc26e3a965..c0a3d264855e80c073e9abba7214c3d4290f40af 100644
--- a/lib/std/http/Server.zig
+++ b/lib/std/http/Server.zig
@@ -83,7 +83,7 @@ pub fn receiveHead(s: *Server) ReceiveHeadError!Request {
     var head_end: usize = 0;
 
     while (true) {
-        if (head_end >= in.bufferContents().len) return error.HttpHeadersOversize;
+        if (head_end >= in.buffer.len) return error.HttpHeadersOversize;
         const buf = in.peekGreedy(head_end + 1) catch |err| switch (err) {
             error.EndOfStream => switch (head_end) {
                 0 => return error.HttpConnectionClosing,