diff --git a/install.sh b/install.sh
index 1039824..1ad53fc 100755
--- a/install.sh
+++ b/install.sh
@@ -149,9 +149,11 @@ cleanup(){
 	# cleanup
 	cd "$HOME"
 	rm -rf "$work_dir"
-	exit $1
+	exit ${1-0}
 }
 
+trap "cleanup 1" SIGHUP SIGINT SIGTERM ERR
+
 install(){
 	setup
 	find_dler