diff --git a/install.sh b/install.sh
index 85583ee..d8fea29 100755
--- a/install.sh
+++ b/install.sh
@@ -1,4 +1,7 @@
 #!/bin/bash
+
+set -e
+
 # Backup existing configs
 if [ -e "$HOME/.tmux.conf" ]; then
 	printf "Found existing .tmux.conf in your \$HOME directory. Will create a backup at $HOME/.tmux.conf.bak\n"