diff --git a/bitnami/mariadb/10.9/debian-11/Dockerfile b/bitnami/mariadb/10.9/debian-11/Dockerfile
index 0732b2ee7c75..ee901eb57e01 100644
--- a/bitnami/mariadb/10.9/debian-11/Dockerfile
+++ b/bitnami/mariadb/10.9/debian-11/Dockerfile
@@ -4,7 +4,7 @@ ARG TARGETARCH
 
 LABEL org.opencontainers.image.authors="https://bitnami.com/contact" \
       org.opencontainers.image.description="Application packaged by Bitnami" \
-      org.opencontainers.image.ref.name="10.9.4-debian-11-r20" \
+      org.opencontainers.image.ref.name="10.9.4-debian-11-r21" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/mariadb" \
       org.opencontainers.image.title="mariadb" \
       org.opencontainers.image.vendor="VMware, Inc." \
diff --git a/bitnami/mariadb/10.9/debian-11/prebuildfs/opt/bitnami/scripts/libversion.sh b/bitnami/mariadb/10.9/debian-11/prebuildfs/opt/bitnami/scripts/libversion.sh
index f3bc7568bfa5..ad2f0eee48df 100644
--- a/bitnami/mariadb/10.9/debian-11/prebuildfs/opt/bitnami/scripts/libversion.sh
+++ b/bitnami/mariadb/10.9/debian-11/prebuildfs/opt/bitnami/scripts/libversion.sh
@@ -31,7 +31,7 @@ get_sematic_version () {
 
         while [[ $i -lt $n ]]; do
             if [[ -n "${BASH_REMATCH[$i]}" ]] && [[ "${BASH_REMATCH[$i]:0:1}" != '.' ]];  then
-                version_sections[$j]=${BASH_REMATCH[$i]}
+                version_sections[j]="${BASH_REMATCH[$i]}"
                 ((j++))
             fi
             ((i++))
diff --git a/bitnami/mariadb/10.9/debian-11/rootfs/opt/bitnami/scripts/libmariadb.sh b/bitnami/mariadb/10.9/debian-11/rootfs/opt/bitnami/scripts/libmariadb.sh
index bec315a75ba9..808629307378 100644
--- a/bitnami/mariadb/10.9/debian-11/rootfs/opt/bitnami/scripts/libmariadb.sh
+++ b/bitnami/mariadb/10.9/debian-11/rootfs/opt/bitnami/scripts/libmariadb.sh
@@ -696,7 +696,7 @@ mysql_stop() {
         for f in "${db_files[@]}"; do
             debug_execute fuser "$f" && return_value=1
         done
-        return $return_value
+        return "$return_value"
     }
 
     ! is_mysql_running && return