diff --git a/gtk/a11y/gtkatspicontext.c b/gtk/a11y/gtkatspicontext.c
index 53589b9466..8d378685a9 100644
--- a/gtk/a11y/gtkatspicontext.c
+++ b/gtk/a11y/gtkatspicontext.c
@@ -778,6 +778,23 @@ emit_property_changed (GtkAtSpiContext *self,
                                  NULL);
 }
 
+static void
+emit_bounds_changed (GtkAtSpiContext *self,
+                     int              x,
+                     int              y,
+                     int              width,
+                     int              height)
+{
+  g_dbus_connection_emit_signal (self->connection,
+                                 NULL,
+                                 self->context_path,
+                                 "org.a11y.atspi.Event.Object",
+                                 "BoundsChanged",
+                                 g_variant_new ("(siiva{sv})",
+                                                "", 0, 0, g_variant_new ("(iiii)", x, y, width, height), NULL),
+                                 NULL);
+}
+
 static void
 gtk_at_spi_context_state_change (GtkATContext                *ctx,
                                  GtkAccessibleStateChange     changed_states,
@@ -971,6 +988,36 @@ gtk_at_spi_context_platform_change (GtkATContext                *ctx,
       emit_state_changed (self, "focused", state);
     }
 }
+
+static void
+gtk_at_spi_context_bounds_change (GtkATContext *ctx)
+{
+  GtkAtSpiContext *self = GTK_AT_SPI_CONTEXT (ctx);
+  GtkAccessible *accessible = gtk_at_context_get_accessible (ctx);
+  GtkWidget *widget;
+  GtkWidget *parent;
+  double x, y;
+  int width, height;
+
+  if (!GTK_IS_WIDGET (accessible))
+    return;
+
+  widget = GTK_WIDGET (accessible);
+  if (!gtk_widget_get_realized (widget))
+    return;
+
+  parent = gtk_widget_get_parent (widget);
+
+  if (parent)
+    gtk_widget_translate_coordinates (widget, parent, 0., 0., &x, &y);
+  else
+    x = y = 0.;
+
+  width = gtk_widget_get_width (widget);
+  height = gtk_widget_get_height (widget);
+
+  emit_bounds_changed (self, (int)x, (int)y, width, height);
+}
 /* }}} */
 /* {{{ D-Bus Registration */
 static void
@@ -1256,6 +1303,7 @@ gtk_at_spi_context_class_init (GtkAtSpiContextClass *klass)
 
   context_class->state_change = gtk_at_spi_context_state_change;
   context_class->platform_change = gtk_at_spi_context_platform_change;
+  context_class->bounds_change = gtk_at_spi_context_bounds_change;
 
   obj_props[PROP_BUS_ADDRESS] =
     g_param_spec_string ("bus-address", NULL, NULL,