diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0903d16..461d002 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -122,6 +122,7 @@ if (DOXYGEN_FOUND)
set (DOXYGEN_EXCLUDE ${CMAKE_CURRENT_SOURCE_DIR}/build ${CMAKE_CURRENT_SOURCE_DIR}/images)
set (DOXYGEN_ALIASES item{3}=\"
\\fixed_width{\\1} | \\2 | \\ref \\3 |
\",item2{2}=\"\\1 | \\2 |
\",item3{3}=\"\\fixed_width{\\1} | \\2 | \\3 |
\",table_section{2}=\"\\subsection \\1 \\2^^\",begin_table=\"\",table_subsection{2}=\"
\\subsubsection \\1 \\2^^\",header{3}=\"\",header2{3}=\"\",fixed_width{1}=\"\\1\",header3{3}=\"\",item4{3}=\"\\fixed_width{\\1} | \\2 | \\3 |
\")
set (DOXYGEN_IMAGE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/images)
+ set (DOXYGEN_GENERATE_TREEVIEW YES)
doxygen_add_docs (doc)
endif ()