diff --git a/src/CodeCleaner/PassableByReferencePass.php b/src/CodeCleaner/PassableByReferencePass.php
index 372baf8e..5118c5bb 100644
--- a/src/CodeCleaner/PassableByReferencePass.php
+++ b/src/CodeCleaner/PassableByReferencePass.php
@@ -62,7 +62,7 @@ public function enterNode(Node $node)
 
             $args = [];
             foreach ($node->args as $position => $arg) {
-                if ($node instanceof VariadicPlaceholder) {
+                if ($arg instanceof VariadicPlaceholder) {
                     continue;
                 }