diff --git a/src/ExtendedMonolog/LogFileFormatter.php b/src/ExtendedMonolog/LogFileFormatter.php
index 23d2a69..37049ee 100644
--- a/src/ExtendedMonolog/LogFileFormatter.php
+++ b/src/ExtendedMonolog/LogFileFormatter.php
@@ -3,6 +3,7 @@
 namespace jrosset\ExtendedMonolog;
 
 use Monolog\Formatter\LineFormatter;
+use Monolog\LogRecord;
 
 /**
  * A formater for log files
@@ -24,7 +25,7 @@ class LogFileFormatter extends LineFormatter {
     /**
      * @inheritDoc
      */
-    public function format (array $record): string {
+    public function format (LogRecord $record): string {
         return preg_replace('/((?<!\\\\)\\\\[rn])+$/', PHP_EOL, parent::format($record));
     }
 }
\ No newline at end of file