diff --git a/tunnelkeeper b/tunnelkeeper
index 2c98ba4..afde2ad 100755
--- a/tunnelkeeper
+++ b/tunnelkeeper
@@ -22,8 +22,8 @@ function ruroot () {
 }
 
 if [[ "${2}" == "--debug" ]]; then
-  dev='/dev/stdout'
-  echo "debug enabled" > $dev
+  dev=$(tty)
+  echo "debug enabled on $dev" > $dev
 fi