diff --git a/.bash_profile b/.bash_profile
index 8bf6db6..0ed7c80 100644
--- a/.bash_profile
+++ b/.bash_profile
@@ -4,4 +4,6 @@
 
 [[ -f ~/.bashrc ]] && . ~/.bashrc
 
-setleds -D +num
+case $(tty) in /dev/tty[0-9]*)
+	setleds -D +num ;;
+esac