diff --git a/Sources/XMLCoder/Auxiliaries/XMLCoderElement.swift b/Sources/XMLCoder/Auxiliaries/XMLCoderElement.swift
index 0ee030f9..508c2161 100644
--- a/Sources/XMLCoder/Auxiliaries/XMLCoderElement.swift
+++ b/Sources/XMLCoder/Auxiliaries/XMLCoderElement.swift
@@ -45,11 +45,10 @@ struct XMLCoderElement: Equatable {
     }
 
     func flatten() -> KeyedBox {
-        let attributes = KeyedStorage(self.attributes.mapValues {
-            StringBox($0) as SimpleBox
-        }.shuffled())
+        let attributes = KeyedStorage(self.attributes.map { (key, value) in
+            (key: key, value: StringBox(value) as SimpleBox)
+        })
         let storage = KeyedStorage<String, Box>()
-
         var elements = self.elements.reduce(storage) { $0.merge(element: $1) }
 
         // Handle attributed unkeyed value <foo attr="bar">zap</foo>