diff --git a/src/Normalizers/NormalizeSerialize.php b/src/Normalizers/NormalizeSerialize.php
index 7775546..a1b6ccd 100644
--- a/src/Normalizers/NormalizeSerialize.php
+++ b/src/Normalizers/NormalizeSerialize.php
@@ -47,7 +47,7 @@ public function run()
             return $this->value;
         }
 
-        $result = (new Sniffer())->sniff($this->value, 'serialize');
+        $result = (new Sniffer())->is($this->value, 'serialize');
         if (! $result) {
             return $this->value;
         }