diff --git a/once/install.sh b/once/install.sh
index 3706c57..cbdd52b 100755
--- a/once/install.sh
+++ b/once/install.sh
@@ -1,5 +1,14 @@
 #!/bin/sh
 
+if [ $# = 1 ]; then
+	case "$1" in
+		--output=*)
+			exec 1>${1#*=}
+			exec 2>&1
+			;;
+	esac
+fi
+
 export PS1='\[\e]0;\w\a\]\n\[\e[32m\]\u@\h \[\e[33m\]\w\[\e[0m\]\n\$ '
 export HOME=/home/midipix