diff --git a/Tests/SwiftMix/SwiftMain.swift b/Tests/SwiftMix/SwiftMain.swift
index 9af988375..7e7c4aba1 100644
--- a/Tests/SwiftMix/SwiftMain.swift
+++ b/Tests/SwiftMix/SwiftMain.swift
@@ -1,9 +1,9 @@
 @objc class SwiftMainClass {
   class func SwiftMain(argc:Int, argv:UnsafePointer<UnsafePointer<CChar>>) -> Int32 {
-    println("argc: \(argc)")
+    dump("argc: \(argc)")
     for (var i = 0; i < argc; ++i) {
       var argi = String.fromCString(argv[i])
-      println("arg[\(i)]: \(argi)");
+      dump("arg[\(i)]: \(argi)");
     }
     return 0;
   }
diff --git a/Tests/SwiftOnly/main.swift b/Tests/SwiftOnly/main.swift
index 67be9861e..28560d076 100644
--- a/Tests/SwiftOnly/main.swift
+++ b/Tests/SwiftOnly/main.swift
@@ -1 +1 @@
-println("SwiftOnly")
+dump("SwiftOnly")