diff --git a/units/systemd-importd.service.in b/units/systemd-importd.service.in
index 45e98fd32..6359e5cdd 100644
--- a/units/systemd-importd.service.in
+++ b/units/systemd-importd.service.in
@@ -18,3 +18,4 @@ WatchdogSec=1min
 PrivateTmp=yes
 ProtectSystem=full
 ProtectHome=yes
+KillMode=mixed
diff --git a/units/systemd-udevd.service.in b/units/systemd-udevd.service.in
index a13304400..32f04d901 100644
--- a/units/systemd-udevd.service.in
+++ b/units/systemd-udevd.service.in
@@ -22,3 +22,4 @@ Restart=always
 RestartSec=0
 ExecStart=@rootlibexecdir@/systemd-udevd
 MountFlags=slave
+KillMode=mixed