# must fail: response_wrong_range
# Content-Range is not compared with the request (session::check_response)
diff --git a/wai/wai-rs/src/http_binding/session.rs b/wai/wai-rs/src/http_binding/session.rs
index 4730c192..6cd93bea 100644
--- a/wai/wai-rs/src/http_binding/session.rs
+++ b/wai/wai-rs/src/http_binding/session.rs
@@ -221,7 +221,7 @@ pub fn check_response(req: Option<ByteRange>, r: &ResponseMeta, body_len: u64, e
             let (a, b) = span.split_once('-').ok_or_else(mismatch)?;
             let (a, b) = (digits(a).ok_or_else(mismatch)?, digits(b).ok_or_else(mismatch)?);
             let expect_last = want.last.min(envelope_len.saturating_sub(1));
-            if a != want.first || b != expect_last || b < a || (b - a).checked_add(1) != Some(body_len) {
+            if b < a || (b - a).checked_add(1) != Some(body_len) {
                 return Err(mismatch());
             }
             match digits(complete) {