diff --git a/CMakeLists.txt b/CMakeLists.txt
index f01e99bc..ccce72fe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -124,6 +124,6 @@ add_subdirectory(xo-imgui)
 # ----------------------------------------------------------------
 # documentation.  must follow add_subdirectory() for satellite projects
 
-xo_umbrella_doxygen_deps(xo_alloc xo_flatstring xo_ratio xo_unit xo_tokenizer xo_reader xo_jit)
+xo_umbrella_doxygen_deps(xo_alloc xo_indentlog xo_flatstring xo_ratio xo_unit xo_tokenizer xo_reader xo_jit)
 xo_umbrella_doxygen_config()
 xo_umbrella_sphinx_config(index.rst docs/install.rst docs/glossary.rst)