diff --git a/src/login/logind-session.c b/src/login/logind-session.c
index 72a99163ef..a897230397 100644
--- a/src/login/logind-session.c
+++ b/src/login/logind-session.c
@@ -537,7 +537,7 @@ int session_activate(Session *s) {
 
         /* on seats with VTs, we let VTs manage session-switching */
         if (seat_has_vts(s->seat)) {
-                if (!s->vtnr)
+                if (s->vtnr == 0)
                         return -EOPNOTSUPP;
 
                 return chvt(s->vtnr);