diff --git a/cli/src/Service/FastCGI.php b/cli/src/Service/FastCGI.php
index 7009132..bba45e9 100644
--- a/cli/src/Service/FastCGI.php
+++ b/cli/src/Service/FastCGI.php
@@ -20,10 +20,9 @@ class FastCGI implements LoggerAwareInterface
     {
             return $this->logger;
     }
-    public function setLogger(LoggerInterface $logger): self
+    public function setLogger(LoggerInterface $logger): void
     {
         $this->logger = $logger;
-        return $this;
     }
 
     protected FCGI\Client $client;