diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b77e34..a459b25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [Unreleased]
+
+### Fixed
+
+- Iterating over a process output could result in a forever hang
+
 ## 7.2.0 - 2026-08-09
 
 ### Changed
diff --git a/src/Server/Process/Started.php b/src/Server/Process/Started.php
index 1e1cb5f..fbd3467 100644
--- a/src/Server/Process/Started.php
+++ b/src/Server/Process/Started.php
@@ -98,7 +98,8 @@ public function __construct(
             ->read()
             ->pool(Type::output)
             ->with(Type::error, $this->error->read())
-            ->timeoutAfter(Period::millisecond(100));
+            ->timeoutAfter(Period::millisecond(100))
+            ->nonBlocking();
         $this->timeout = $timeout;
         $this->content = $content;
         $this->pid = new Pid($this->status()['pid']);