diff --git a/app/widgets/gimptoolpalette.c b/app/widgets/gimptoolpalette.c
index d459266c59..30784dcc65 100644
--- a/app/widgets/gimptoolpalette.c
+++ b/app/widgets/gimptoolpalette.c
@@ -464,7 +464,10 @@ gimp_tool_palette_add_button (GimpToolPalette *palette,
   gtk_widget_show (GTK_WIDGET (tool_button));
 
   g_object_bind_property (tool_item,   "shown",
-                          tool_button, "visible",
+                          tool_button, "visible-horizontal",
+                          G_BINDING_SYNC_CREATE);
+  g_object_bind_property (tool_item,   "shown",
+                          tool_button, "visible-vertical",
                           G_BINDING_SYNC_CREATE);
 
   button = gtk_bin_get_child (GTK_BIN (tool_button));