diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index 77dd278bdd..d66022f802 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -1514,7 +1514,7 @@ static int execute_shutdown_or_sleep(
         int r;
 
         assert(m);
-        assert(w >= 0);
+        assert(w > 0);
         assert(w < _INHIBIT_WHAT_MAX);
         assert(unit_name);
 
@@ -1661,7 +1661,7 @@ int bus_manager_shutdown_or_sleep_now_or_later(
 
         assert(m);
         assert(unit_name);
-        assert(w >= 0);
+        assert(w > 0);
         assert(w <= _INHIBIT_WHAT_MAX);
         assert(!m->action_job);