diff --git a/neko/update/native.sh b/neko/update/native.sh
index ef7d9645..d59bce16 100755
--- a/neko/update/native.sh
+++ b/neko/update/native.sh
@@ -4,7 +4,7 @@ set -eu
 . neko/update/utils
 
 # Confirm that the server is stopped
-if [ "$#" != '1' ] || [ "$1" != '--skip-all-confirmations' ]; then
+if ! contains '--skip-all-confirmations' "$@"; then
   say 'Did you stop your server?'
   printf '[Y/n] > '
   read -r yn
diff --git a/neko/update/utils b/neko/update/utils
index 97fa784f..ec0af597 100644
--- a/neko/update/utils
+++ b/neko/update/utils
@@ -27,6 +27,19 @@ br() {
   printf '\n'
 }
 
+contains() {
+  target="$1"
+  shift
+
+  for item in "$@"; do
+    if [ "${item}" = "${target}" ]; then
+      return 0  # found
+    fi
+  done
+
+  return 1  # not found
+}
+
 version() {
   UPSTREAM_VERSION=$(pnpm pkg get version | sed -e 's/"//g')
   COMMIT_DATE=$(git show --no-patch --pretty='%cs' FETCH_HEAD | sed -e 's/-//g' | cut -c 3-)
diff --git a/update.sh b/update.sh
index 8fa81570..3cd623b4 100755
--- a/update.sh
+++ b/update.sh
@@ -43,7 +43,9 @@ for message in $(find neko/messages -type f ! -name '*.resolved' -print | sort);
   file=$(basename -- "${message}")
 
   if [ ! -f "neko/flags/${file}" ]; then
-    if [ "$#" != '1' ] || [ "$1" != '--skip-all-confirmations' ]; then
+    if contains '--skip-all-confirmations' "$@"; then
+      touch "neko/flags/${file}"
+    else
       say 'There is an important notice!'
       cat "${message}"
 
@@ -63,8 +65,6 @@ for message in $(find neko/messages -type f ! -name '*.resolved' -print | sort);
           exit 1
           ;;
       esac
-    else
-      touch "neko/flags/${file}"
     fi
   fi
 done