diff --git a/Dockerfile.mariadb b/Dockerfile.mariadb
index 0de19f7d03..65dc24e9ea 100644
--- a/Dockerfile.mariadb
+++ b/Dockerfile.mariadb
@@ -6,6 +6,7 @@ FROM mariadb:latest
 RUN chmod 1777 /tmp
 
 RUN chown -R mysql:mysql /var/lib/mysql
+RUN chmod -R 755 /var/lib/mysql
 
 # Copy custom MySQL configuration file
 COPY deploy/my.cnf /etc/mysql/my.cnf