diff --git a/src/Rules/Error/SafeFunctionRuleError.php b/src/Rules/Error/SafeFunctionRuleError.php
index ef27c81..96e4c7d 100644
--- a/src/Rules/Error/SafeFunctionRuleError.php
+++ b/src/Rules/Error/SafeFunctionRuleError.php
@@ -18,6 +18,6 @@ public function __construct(Name $nodeName, int $line)
 
     public function getIdentifier(): string
     {
-        return self::IDENTIFIER_PREFIX . 'class';
+        return self::IDENTIFIER_PREFIX . 'function';
     }
 }