diff --git a/bitnami/mastodon/4/debian-11/rootfs/opt/bitnami/scripts/libmastodon.sh b/bitnami/mastodon/4/debian-11/rootfs/opt/bitnami/scripts/libmastodon.sh
index fd504555b330..7a5d584db6d0 100644
--- a/bitnami/mastodon/4/debian-11/rootfs/opt/bitnami/scripts/libmastodon.sh
+++ b/bitnami/mastodon/4/debian-11/rootfs/opt/bitnami/scripts/libmastodon.sh
@@ -113,7 +113,7 @@ mastodon_validate() {
         check_empty_value "MASTODON_S3_HOSTNAME"
         check_resolved_hostname "$MASTODON_S3_HOSTNAME"
         check_valid_port "MASTODON_S3_PORT_NUMBER"
-        check_empty_value "MASTODON_S3_ALIAS"
+        check_empty_value "MASTODON_S3_ALIAS_HOST"
         check_empty_value "MASTODON_S3_ENDPOINT"
         check_empty_value "MASTODON_AWS_ACCESS_KEY_ID"
         check_empty_value "MASTODON_AWS_SECRET_ACCESS_KEY"