diff --git a/roles/mailman3/files/systemd/hyperkitty-daily.timer b/roles/mailman3/files/systemd/hyperkitty-daily.timer
index 267a396cbf..ff36b60812 100644
--- a/roles/mailman3/files/systemd/hyperkitty-daily.timer
+++ b/roles/mailman3/files/systemd/hyperkitty-daily.timer
@@ -6,3 +6,6 @@ PartOf=hyperkitty.target
 [Timer]
 OnCalendar=*-*-* 00:00:00
 RandomizedDelaySec=1h
+
+[Install]
+WantedBy=hyperkitty.target
diff --git a/roles/mailman3/files/systemd/hyperkitty-hourly.timer b/roles/mailman3/files/systemd/hyperkitty-hourly.timer
index f7d1a573cc..d9748032e0 100644
--- a/roles/mailman3/files/systemd/hyperkitty-hourly.timer
+++ b/roles/mailman3/files/systemd/hyperkitty-hourly.timer
@@ -6,3 +6,6 @@ PartOf=hyperkitty.target
 [Timer]
 OnCalendar=*-*-* *:00:00
 RandomizedDelaySec=10m
+
+[Install]
+WantedBy=hyperkitty.target
diff --git a/roles/mailman3/files/systemd/hyperkitty-minutely.timer b/roles/mailman3/files/systemd/hyperkitty-minutely.timer
index a6afafeaa1..44f5eb3dd6 100644
--- a/roles/mailman3/files/systemd/hyperkitty-minutely.timer
+++ b/roles/mailman3/files/systemd/hyperkitty-minutely.timer
@@ -5,3 +5,6 @@ PartOf=hyperkitty.target
 
 [Timer]
 OnCalendar=*-*-* *:*:00
+
+[Install]
+WantedBy=hyperkitty.target
diff --git a/roles/mailman3/files/systemd/hyperkitty-monthly.timer b/roles/mailman3/files/systemd/hyperkitty-monthly.timer
index 6e00eba673..3c01295304 100644
--- a/roles/mailman3/files/systemd/hyperkitty-monthly.timer
+++ b/roles/mailman3/files/systemd/hyperkitty-monthly.timer
@@ -7,3 +7,6 @@ PartOf=hyperkitty.target
 OnCalendar=*-*-01 00:00:00
 RandomizedDelaySec=6h
 Persistent=true
+
+[Install]
+WantedBy=hyperkitty.target
diff --git a/roles/mailman3/files/systemd/hyperkitty-quarter_hourly.timer b/roles/mailman3/files/systemd/hyperkitty-quarter_hourly.timer
index 8ee53ce36e..d760f8cf10 100644
--- a/roles/mailman3/files/systemd/hyperkitty-quarter_hourly.timer
+++ b/roles/mailman3/files/systemd/hyperkitty-quarter_hourly.timer
@@ -7,3 +7,6 @@ PartOf=hyperkitty.target
 OnCalendar=*-*-* *:00/15:00
 Persistent=true
 RandomizedDelaySec=5m
+
+[Install]
+WantedBy=hyperkitty.target
diff --git a/roles/mailman3/files/systemd/hyperkitty-weekly.timer b/roles/mailman3/files/systemd/hyperkitty-weekly.timer
index 475b497a99..4ba30c4e6e 100644
--- a/roles/mailman3/files/systemd/hyperkitty-weekly.timer
+++ b/roles/mailman3/files/systemd/hyperkitty-weekly.timer
@@ -7,3 +7,6 @@ PartOf=hyperkitty.target
 OnCalendar=Mon *-*-* 00:00:00
 RandomizedDelaySec=3h
 Persistent=true
+
+[Install]
+WantedBy=hyperkitty.target
diff --git a/roles/mailman3/files/systemd/hyperkitty-yearly.timer b/roles/mailman3/files/systemd/hyperkitty-yearly.timer
index 1d9ca68f34..40feef4029 100644
--- a/roles/mailman3/files/systemd/hyperkitty-yearly.timer
+++ b/roles/mailman3/files/systemd/hyperkitty-yearly.timer
@@ -7,3 +7,6 @@ PartOf=hyperkitty.target
 OnCalendar=*-01-01 00:00:00
 RandomizedDelaySec=12h
 Persistent=true
+
+[Install]
+WantedBy=hyperkitty.target