diff --git a/src/functions.php b/src/functions.php
index 41d462d..9975424 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -151,7 +151,7 @@ function split(ReadableStream $source, string $delimiter, ?Cancellation $cancell
  */
 function splitLines(ReadableStream $source, ?Cancellation $cancellation = null): \Traversable
 {
-    foreach (split($source, "\n") as $line) {
+    foreach (split($source, "\n", $cancellation) as $line) {
         yield \rtrim($line, "\r");
     }
 }