diff --git a/files/fstrim.timer.debian b/files/fstrim.timer.debian
new file mode 100644
index 0000000..c8d94d7
--- /dev/null
+++ b/files/fstrim.timer.debian
@@ -0,0 +1,11 @@
+[Unit]
+Description=Discard unused blocks once a week
+Documentation=man:fstrim
+
+[Timer]
+OnCalendar=weekly
+AccuracySec=1h
+Persistent=true
+
+[Install]
+WantedBy=multi-user.target
diff --git a/tasks/main.yml b/tasks/main.yml
index 0fc3ab9..ab06d52 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -1,7 +1,15 @@
 ---
+- name: Install custom fstrim.service
+  copy: src=fstrim.service dest=/etc/systemd/system/
+  notify: systemd-daemon-reload
+
+- name: Install fstrim.timer on Debian
+  copy: src=fstrim.timer.debian dest=/etc/systemd/system/fstrim.timer
+  when: ansible_distribution == 'Debian'
+  notify: systemd-daemon-reload
+
 - file: path=/etc/systemd/system/fstrim.timer.d state=directory
 - copy: src=10-daily.conf dest=/etc/systemd/system/fstrim.timer.d/10-daily.conf
   notify: systemd-daemon-reload
+
 - service: name=fstrim.timer enabled=yes state=started
-- copy: src=fstrim.service dest=/etc/systemd/system/
-  notify: systemd-daemon-reload