diff --git a/src/LoggerHolder.php b/src/LoggerHolder.php
index 4120e3d..eeedac9 100644
--- a/src/LoggerHolder.php
+++ b/src/LoggerHolder.php
@@ -4,6 +4,7 @@
 
 use Contributte\Monolog\Exception\Logic\InvalidStateException;
 use Monolog\Logger;
+use Monolog\LogRecord;
 use Nette\DI\Container;
 use Psr\Log\LoggerInterface;
 
@@ -60,11 +61,21 @@ public function getLogger(): LoggerInterface
 		$logger = clone $this->instLogger;
 
 		// Write in log which class used LoggerHolder
-		$logger->pushProcessor(function (array $record) use ($calledBy): array {
-			$record['extra']['calledBy'] = $calledBy;
+		// Monolog >= 3.0
+		if (class_exists(LogRecord::class)) {
+			$logger->pushProcessor(function (LogRecord $record) use ($calledBy): LogRecord {
+				$record->extra['calledBy'] = $calledBy;
+
+				return $record;
+			});
+		} else {
+			$logger->pushProcessor(function (array $record) use ($calledBy): array {
+				$record['extra']['calledBy'] = $calledBy;
+
+				return $record;
+			});
+		}
 
-			return $record;
-		});
 
 		return $logger;
 	}