diff --git a/docs/reference/gdk/gdk4-wayland.toml.in b/docs/reference/gdk/gdk4-wayland.toml.in
index ba47b9dc11..96ca18f64e 100644
--- a/docs/reference/gdk/gdk4-wayland.toml.in
+++ b/docs/reference/gdk/gdk4-wayland.toml.in
@@ -21,3 +21,9 @@ show_index_summary = true
 
 [source-location]
 base_url = "https://gitlab.gnome.org/GNOME/gtk/-/blob/master/"
+
+[extra]
+content_images = [
+  "images/gtk-logo.svg",
+]
+urlmap_file = "urlmap.js"
diff --git a/docs/reference/gdk/gdk4-x11.toml.in b/docs/reference/gdk/gdk4-x11.toml.in
index ba47b9dc11..96ca18f64e 100644
--- a/docs/reference/gdk/gdk4-x11.toml.in
+++ b/docs/reference/gdk/gdk4-x11.toml.in
@@ -21,3 +21,9 @@ show_index_summary = true
 
 [source-location]
 base_url = "https://gitlab.gnome.org/GNOME/gtk/-/blob/master/"
+
+[extra]
+content_images = [
+  "images/gtk-logo.svg",
+]
+urlmap_file = "urlmap.js"