diff --git a/man/org.freedesktop.machine1.xml b/man/org.freedesktop.machine1.xml
index ce39f2d904..aac30d25d7 100644
--- a/man/org.freedesktop.machine1.xml
+++ b/man/org.freedesktop.machine1.xml
@@ -85,7 +85,7 @@ node /org/freedesktop/machine1 {
       UnregisterMachine(in  s name);
       TerminateMachine(in  s id);
       KillMachine(in  s name,
-                  in  s who,
+                  in  s whom,
                   in  i signal);
       GetMachineAddresses(in  s name,
                           out a(iay) addresses);
diff --git a/src/machine/machined-dbus.c b/src/machine/machined-dbus.c
index a66e00edb5..58997e6ec1 100644
--- a/src/machine/machined-dbus.c
+++ b/src/machine/machined-dbus.c
@@ -1051,7 +1051,7 @@ const sd_bus_vtable manager_vtable[] = {
                                 method_terminate_machine,
                                 SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD_WITH_ARGS("KillMachine",
-                                SD_BUS_ARGS("s", name, "s", who, "i", signal),
+                                SD_BUS_ARGS("s", name, "s", whom, "i", signal),
                                 SD_BUS_NO_RESULT,
                                 method_kill_machine,
                                 SD_BUS_VTABLE_UNPRIVILEGED),