diff --git a/Abstracts/TraitServer.php b/Abstracts/TraitServer.php
index 7e8bbdb..28b97ab 100644
--- a/Abstracts/TraitServer.php
+++ b/Abstracts/TraitServer.php
@@ -142,7 +142,9 @@ trait TraitServer
      */
     private function onPcntlSignal($signal, $callback): void
     {
-        \pcntl_signal($signal, $callback);
+        Process::signal((int)$signal, static function (int $signo) use ($callback): void {
+            call_user_func($callback, $signo, []);
+        });
     }