diff --git a/src/Serializer/NoSerialize.php b/src/Serializer/NoSerialize.php
index 31a09e14ae627e60e0546c3f0a88a69438f58428..b29e88b9e23420a2c67b5bd2f10136d8f509edfa 100644
--- a/src/Serializer/NoSerialize.php
+++ b/src/Serializer/NoSerialize.php
@@ -5,7 +5,7 @@ namespace WPDesk\Forms\Serializer;
 use WPDesk\Forms\Serializer;
 
 class NoSerialize implements Serializer {
-	public function serialize( $value ): string {
+	public function serialize( $value ) {
 		return $value;
 	}