diff --git a/tasks/galera_install_apt.yml b/tasks/galera_install_apt.yml
index c59fea8d..e22e62d8 100644
--- a/tasks/galera_install_apt.yml
+++ b/tasks/galera_install_apt.yml
@@ -73,7 +73,7 @@
 - name: Add galera repo
   apt_repository:
     repo: "{{ galera_repo.repo }}"
-    filename: "{{ galera_repo.filename }}"
+    filename: "{{ galera_repo.filename | default(omit) }}"
     state: "{{ galera_repo.state }}"
   register: add_repos
   until: add_repos|success
@@ -85,7 +85,7 @@
 - name: Add percona repo
   apt_repository:
     repo: "{{ galera_percona_xtrabackup_repo.repo }}"
-    filename: "{{ galera_percona_xtrabackup_repo.filename }}"
+    filename: "{{ galera_percona_xtrabackup_repo.filename | default(omit) }}"
     state: "{{ use_percona_upstream | bool | ternary('present','absent') }}"
   register: add_repos
   until: add_repos|success