diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c
index d52afe8437..eb267d430e 100644
--- a/src/libsystemd/sd-bus/sd-bus.c
+++ b/src/libsystemd/sd-bus/sd-bus.c
@@ -2940,6 +2940,7 @@ static int quit_callback(sd_event_source *event, void *userdata) {
         assert(event);
 
         sd_bus_flush(bus);
+        sd_bus_close(bus);
 
         return 1;
 }