diff --git a/plugins/systray/systray-box.c b/plugins/systray/systray-box.c
index 06f0b46..8d1c4ef 100644
--- a/plugins/systray/systray-box.c
+++ b/plugins/systray/systray-box.c
@@ -308,6 +308,7 @@
                     }
 
                   cells += ratio;
+                  box->n_visible_children++;
 
                   continue;
                 }