diff --git a/futures-util/src/io/read_until.rs b/futures-util/src/io/read_until.rs
index adc359db51..03fc913273 100644
--- a/futures-util/src/io/read_until.rs
+++ b/futures-util/src/io/read_until.rs
@@ -42,8 +42,8 @@ pub(super) fn read_until_internal<R: AsyncBufRead + ?Sized>(
                 (false, available.len())
             }
         };
-        reader.as_mut().consume(used);
         *read += used;
+        reader.as_mut().consume(used);
         if done || used == 0 {
             return Poll::Ready(Ok(*read));
         }