1 files changed, 2 insertions, 0 deletions

diff --git a/lfs.sh b/lfs.sh
index 64ca920..39b515a 100755
--- a/lfs.sh
+++ b/lfs.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 clear
 
 printf "%b" "Sourcing colors...\n"