diff --git a/src/Bundle/ChillPersonBundle/PersonIdentifier/Identifier/StringIdentifier.php b/src/Bundle/ChillPersonBundle/PersonIdentifier/Identifier/StringIdentifier.php
index 4a032a226..2d003b9cf 100644
--- a/src/Bundle/ChillPersonBundle/PersonIdentifier/Identifier/StringIdentifier.php
+++ b/src/Bundle/ChillPersonBundle/PersonIdentifier/Identifier/StringIdentifier.php
@@ -41,6 +41,6 @@ final readonly class StringIdentifier implements PersonIdentifierEngineInterface
 
     public function isEmpty(PersonIdentifier $identifier): bool
     {
-        return '' !== trim($identifier->getValue()['content'] ?? '');
+        return '' === trim($identifier->getValue()['content'] ?? '');
     }
 }