diff --git a/src/main/scala/backBoard/Dout16.scala b/src/main/scala/backBoard/Dout16.scala
index 8b6c47b..b94c759 100644
--- a/src/main/scala/backBoard/Dout16.scala
+++ b/src/main/scala/backBoard/Dout16.scala
@@ -106,7 +106,7 @@ with BackBoardSlvOut16{
     upReg(13) := outReg(15,8)
   }
 
-  out := outPin
+  out := ~outPin
 
 }