diff --git a/gtk/gtkentrybuffer.c b/gtk/gtkentrybuffer.c
index 9a51d5e847..c1423634db 100644
--- a/gtk/gtkentrybuffer.c
+++ b/gtk/gtkentrybuffer.c
@@ -511,7 +511,7 @@ gtk_entry_buffer_get_bytes (GtkEntryBuffer *buffer)
  *
  * Since: 2.18
  **/
-const gchar*
+G_CONST_RETURN gchar*
 gtk_entry_buffer_get_text (GtkEntryBuffer *buffer)
 {
   GtkEntryBufferClass *klass;
diff --git a/gtk/gtkentrybuffer.h b/gtk/gtkentrybuffer.h
index 0cfc0eacd2..20556cb9e8 100644
--- a/gtk/gtkentrybuffer.h
+++ b/gtk/gtkentrybuffer.h
@@ -99,7 +99,7 @@ gsize                     gtk_entry_buffer_get_bytes              (GtkEntryBuffe
 
 guint                     gtk_entry_buffer_get_length             (GtkEntryBuffer  *buffer);
 
-const gchar*              gtk_entry_buffer_get_text               (GtkEntryBuffer  *buffer);
+G_CONST_RETURN gchar*     gtk_entry_buffer_get_text               (GtkEntryBuffer  *buffer);
 
 void                      gtk_entry_buffer_set_text               (GtkEntryBuffer  *buffer,
                                                                    const gchar     *chars,