diff --git a/wo/cli/plugins/stack_pref.py b/wo/cli/plugins/stack_pref.py
index 89aa3e7..1f0f82b 100644
--- a/wo/cli/plugins/stack_pref.py
+++ b/wo/cli/plugins/stack_pref.py
@@ -41,7 +41,7 @@ def pre_pref(self, apt_packages):
                 mariadb_ver = self.app.config.get(
                     'mariadb', 'release')
                 wo_mysql_repo_conf = ("deb [signed-by=/etc/apt/keyrings/mariadb-keyring.pgp] "
-                                      "https://deb.mariadb.org/"
+                                      "http://deb.mariadb.org/"
                                       f"{mariadb_ver}/{WOVar.wo_distro} {WOVar.wo_platform_codename} main")
             else:
                 wo_mysql_repo_conf = WOVar.wo_mysql_repo
diff --git a/wo/core/variables.py b/wo/core/variables.py
index 1dd8dbb..22b3d11 100644
--- a/wo/core/variables.py
+++ b/wo/core/variables.py
@@ -188,7 +188,7 @@ class WOVar():
 
     # APT repositories
     wo_mysql_repo = ("deb [signed-by=/etc/apt/keyrings/mariadb-keyring.pgp] "
-                     "https://deb.mariadb.org/"
+                     "http://deb.mariadb.org/"
                      f"{mariadb_ver}/{wo_distro} {wo_platform_codename} main")
     mariadb_repo_key = "https://mariadb.org/mariadb_release_signing_key.pgp"
     if wo_distro == 'ubuntu':