diff --git a/Factories/RollbarHandlerFactory.php b/Factories/RollbarHandlerFactory.php
index e6d719f..b19a674 100755
--- a/Factories/RollbarHandlerFactory.php
+++ b/Factories/RollbarHandlerFactory.php
@@ -18,7 +18,7 @@ class RollbarHandlerFactory
     /**
      * @var string|null
      */
-    private $minimumLevel;
+    private $monologMinimumLevel;
 
     /**
      * RollbarHandlerFactory constructor.
@@ -53,7 +53,7 @@ public function __construct(ContainerInterface $container)
             };
         }
 
-        $this->minimumLevel = isset($config['minimum_level']) ? $config['minimum_level'] : LogLevel::ERROR;
+        $this->monologMinimumLevel = isset($config['monolog_minimum_level']) ? $config['monolog_minimum_level'] : LogLevel::ERROR;
 
         Rollbar::init($config, false, false, false);
     }
@@ -65,6 +65,6 @@ public function __construct(ContainerInterface $container)
      */
     public function createRollbarHandler()
     {
-        return new RollbarHandler(Rollbar::logger(), $this->minimumLevel);
+        return new RollbarHandler(Rollbar::logger(), $this->monologMinimumLevel);
     }
 }