diff --git a/main/src/mill/main/MillServerMain.scala b/main/src/mill/main/MillServerMain.scala
index 2fea4bd8c4b..5ced75eba13 100644
--- a/main/src/mill/main/MillServerMain.scala
+++ b/main/src/mill/main/MillServerMain.scala
@@ -114,8 +114,8 @@ class Server[T](lockBase: String,
   def handleRun(clientSocket: Socket) = {
 
     val currentOutErr = clientSocket.getOutputStream
-    val stdout = new PrintStream(new ProxyOutputStream(currentOutErr, -1), true)
-    val stderr = new PrintStream(new ProxyOutputStream(currentOutErr, 1), true)
+    val stdout = new PrintStream(new ProxyOutputStream(currentOutErr, 1), true)
+    val stderr = new PrintStream(new ProxyOutputStream(currentOutErr, -1), true)
     val socketIn = clientSocket.getInputStream
     val argStream = new FileInputStream(lockBase + "/run")
     val interactive = argStream.read() != 0
diff --git a/scratch/build.sc b/scratch/build.sc
index ae763e4d767..9842039e438 100644
--- a/scratch/build.sc
+++ b/scratch/build.sc
@@ -1,3 +1,4 @@
 def thingy = T {
-  12345678
+  val blob = (('0' to '9') ++ ('a' to 'z') ++ ('A' to 'Z')).mkString
+  while(true) print(blob)
 }
\ No newline at end of file