diff --git a/scripts/pkgdelta.sh.in b/scripts/pkgdelta.sh.in
index 46c6f4ff..0f3472b6 100644
--- a/scripts/pkgdelta.sh.in
+++ b/scripts/pkgdelta.sh.in
@@ -20,7 +20,6 @@
 #
 
 # bash options
-set -o nounset
 set -o errexit
 
 # gettext initialization
@@ -130,7 +129,7 @@ esac
 
 if (( $# != 2 )); then
 	usage
-	exit 0
+	exit 1
 fi
 
 if [[ ! -f $1 ]]; then
diff --git a/scripts/repo-add.sh.in b/scripts/repo-add.sh.in
index c598ad9b..48f221b8 100644
--- a/scripts/repo-add.sh.in
+++ b/scripts/repo-add.sh.in
@@ -609,8 +609,12 @@ while (( $# )); do
 	shift
 done
 
-
 REPO_DB_FILE=${args[0]}
+if [[ -z $REPO_DB_FILE ]]; then
+	usage
+	exit 1
+fi
+
 LOCKFILE=$REPO_DB_FILE.lck
 
 verify_repo_extension "$REPO_DB_FILE" >/dev/null