diff --git a/doc/publican/publican.cfg b/doc/publican/publican.cfg
index d9505847..0bc8a7e6 100644
--- a/doc/publican/publican.cfg
+++ b/doc/publican/publican.cfg
@@ -6,3 +6,4 @@ type: Book
 brand: common
 tmp_dir: Wayland
 toc_section_depth: 1
+chunk_section_depth: 1