diff --git a/Sources/FirebladeECS/Foundation+Extensions.swift b/Sources/FirebladeECS/Foundation+Extensions.swift
index 67977da..9e1b22a 100644
--- a/Sources/FirebladeECS/Foundation+Extensions.swift
+++ b/Sources/FirebladeECS/Foundation+Extensions.swift
@@ -5,13 +5,17 @@
 //  Created by Christian Treffs on 22.07.20.
 //
 
-#if canImport(Foundation) && canImport(CoreFoundation)
-import class Foundation.JSONEncoder
-import class Foundation.JSONDecoder
-
-import class Foundation.PropertyListEncoder
-import class Foundation.PropertyListDecoder
+#if canImport(Foundation)
+import Foundation
+#endif
+#if canImport(CoreFoundation)
+import CoreFoundation
+#endif
+#if canImport(SwiftFoundation)
+import SwiftFoundation
+#endif
 
+#if canImport(Foundation) || canImport(CoreFoundation) || canImport(SwiftFoundation)
 extension JSONEncoder: TopLevelEncoder { }
 extension JSONDecoder: TopLevelDecoder { }