diff --git a/src/Monolog/Handler/StreamHandler.php b/src/Monolog/Handler/StreamHandler.php
index 9185929f..09a15738 100644
--- a/src/Monolog/Handler/StreamHandler.php
+++ b/src/Monolog/Handler/StreamHandler.php
@@ -127,7 +127,7 @@ class StreamHandler extends AbstractProcessingHandler
      */
     protected function streamWrite($stream, array $record)
     {
-        fwrite($stream, (string)$record['formatted']);
+        fwrite($stream, (string) $record['formatted']);
     }
 
     private function customErrorHandler($code, $msg)