diff --git a/sway/input/seat.c b/sway/input/seat.c
index 579e655e..0fc899bc 100644
--- a/sway/input/seat.c
+++ b/sway/input/seat.c
@@ -1490,6 +1490,8 @@ void seat_apply_config(struct sway_seat *seat,
 	}
 
 	seat->config = seat_config;
+	seat->idle_inhibit_sources = seat_config->idle_inhibit_sources;
+	seat->idle_wake_sources = seat_config->idle_wake_sources;
 
 	wl_list_for_each(seat_device, &seat->devices, link) {
 		seat_configure_device(seat, seat_device->input_device);