diff --git a/scripts/functions.sh b/scripts/functions.sh
index dad50c1..58f2d96 100644
--- a/scripts/functions.sh
+++ b/scripts/functions.sh
@@ -54,18 +54,18 @@ function preprocess_config() {
 function prepare_installation_environment() {
 	einfo "Preparing installation environment"
 
-	local needed_programs=()
-
-	needed_programs+=(gpg)
-	needed_programs+=(hwclock)
-	needed_programs+=(lsblk)
-	needed_programs+=(ntpd)
-	needed_programs+=(partprobe)
-	needed_programs+=(python3)
-	needed_programs+=(rhash)
-	needed_programs+=(sgdisk)
-	needed_programs+=(uuidgen)
-	needed_programs+=(wget)
+	local needed_programs=(
+		gpg
+		hwclock
+		lsblk
+		ntpd
+		partprobe
+		python3
+		rhash
+		sgdisk
+		uuidgen
+		wget
+	)
 
 	[[ $USED_BTRFS == "true" ]] \
 		&& needed_programs+=(btrfs)
diff --git a/scripts/utils.sh b/scripts/utils.sh
index e0042f0..1d29432 100644
--- a/scripts/utils.sh
+++ b/scripts/utils.sh
@@ -322,6 +322,7 @@ function parse_arguments() {
 }
 
 function check_has_programs() {
+	echo "$@"
 	local failed=()
 	local program
 	for program in "$@"; do
@@ -329,7 +330,7 @@ function check_has_programs() {
 			|| failed+=("$program")
 	done
 
-	[[ ${#failed[@]} -eq 0 ]] \
+	[[ "${#failed[@]}" -eq 0 ]] \
 		&& return
 
 	echo "The following programs are required for the installer to work, but are currently missing on your system:" >&2