diff --git a/gtk/a11y/gtkatspicontext.c b/gtk/a11y/gtkatspicontext.c
index dca263902e..d7eede4429 100644
--- a/gtk/a11y/gtkatspicontext.c
+++ b/gtk/a11y/gtkatspicontext.c
@@ -203,6 +203,7 @@ collect_states (GtkAtSpiContext    *self,
 
   if (gtk_at_context_has_accessible_state (ctx, GTK_ACCESSIBLE_STATE_CHECKED))
     {
+      set_atspi_state (&states, ATSPI_STATE_CHECKABLE);
       value = gtk_at_context_get_accessible_state (ctx, GTK_ACCESSIBLE_STATE_CHECKED);
       switch (gtk_tristate_accessible_value_get (value))
         {