diff --git a/src/Widgets/PopoverWidget.vala b/src/Widgets/PopoverWidget.vala
index 85b2177c..1e2b1b00 100644
--- a/src/Widgets/PopoverWidget.vala
+++ b/src/Widgets/PopoverWidget.vala
@@ -183,7 +183,7 @@ public class Network.Widgets.PopoverWidget : Gtk.Box {
 
         container_box.append (widget_interface);
 
-        if (is_in_session && get_first_child != null) {
+        if (is_in_session && get_first_child () != null) {
             container_box.append (widget_interface.sep);
         }
     }