diff --git a/Sources/NodesGenerator/YAMLDecoder.swift b/Sources/NodesGenerator/YAMLDecoder.swift
index cc00b5cbc..20741ef69 100644
--- a/Sources/NodesGenerator/YAMLDecoder.swift
+++ b/Sources/NodesGenerator/YAMLDecoder.swift
@@ -11,7 +11,7 @@ import Codextended
 import Yams
 
 // Enables Codextended with YAMLDecoder [https://github.com/JohnSundell/Codextended]
-#if swift(>=5.9)
+#if compiler(>=6.0)
 extension YAMLDecoder: @retroactive AnyDecoder {}
 #else
 extension YAMLDecoder: AnyDecoder {}