diff --git a/wo/core/variables.py b/wo/core/variables.py
index a3fc51b..39bba81 100644
--- a/wo/core/variables.py
+++ b/wo/core/variables.py
@@ -175,7 +175,7 @@ class WOVar():
         else:
             mariadb_ver = '10.3'
     else:
-        mariadb_ver = '10.6'
+        mariadb_ver = '10.5'
         wo_mysql = wo_mysql + ["mariadb-backup"]
 
     wo_mysql_client = ["mariadb-client", "python3-mysqldb"]
@@ -187,7 +187,7 @@ class WOVar():
     # APT repositories
     wo_mysql_repo = ("deb [arch=amd64,arm64,ppc64el] "
                      "http://mariadb.mirrors.ovh.net/MariaDB/repo/"
-                     "10.6/{distro} {codename} main"
+                     "10.5/{distro} {codename} main"
                      .format(distro=wo_distro,
                              codename=wo_platform_codename))
     if wo_distro == 'ubuntu':