diff --git a/gtk/gtkicontheme.c b/gtk/gtkicontheme.c
index eb4c904e5e..e5091976c4 100644
--- a/gtk/gtkicontheme.c
+++ b/gtk/gtkicontheme.c
@@ -5170,7 +5170,7 @@ gtk_icon_theme_lookup_by_gicon (GtkIconTheme       *icon_theme,
  *     information about the icon, or %NULL if the icon 
  *     wasn't found. Unref with g_object_unref()
  *
- * Since: 2.14
+ * Since: 3.10
  */
 GtkIconInfo *
 gtk_icon_theme_lookup_by_gicon_for_scale (GtkIconTheme       *icon_theme,
diff --git a/gtk/gtkicontheme.h b/gtk/gtkicontheme.h
index 8afa5ee917..255eb2f117 100644
--- a/gtk/gtkicontheme.h
+++ b/gtk/gtkicontheme.h
@@ -224,6 +224,7 @@ GtkIconInfo * gtk_icon_theme_lookup_by_gicon       (GtkIconTheme
                                                     GIcon                       *icon,
                                                     gint                         size,
                                                     GtkIconLookupFlags           flags);
+GDK_AVAILABLE_IN_3_10
 GtkIconInfo * gtk_icon_theme_lookup_by_gicon_for_scale (GtkIconTheme             *icon_theme,
                                                         GIcon                    *icon,
                                                         gint                      size,