diff --git a/coreapi/help/doc/sphinx/CMakeLists.txt b/coreapi/help/doc/sphinx/CMakeLists.txt
index 15abb7480..0d569a438 100644
--- a/coreapi/help/doc/sphinx/CMakeLists.txt
+++ b/coreapi/help/doc/sphinx/CMakeLists.txt
@@ -42,6 +42,7 @@ if (ENABLE_SPHINX_DOC)
 	)
 	configure_file(conf.py.in source/conf.py)
 	configure_file(source/index.rst source/index.rst COPYONLY)
+	configure_file(logo.png source/logo.png COPYONLY)
 	add_custom_command(OUTPUT ${GENERATED_SPHINX_SOURCES}
 		COMMAND ${CMAKE_COMMAND} -E remove -f ${DOCUMENTATION_DIRS}
 		COMMAND ${PYTHON_EXECUTABLE} '${CMAKE_CURRENT_SOURCE_DIR}/gendoc.py' '${LINPHONE_DOXYGEN_XML_DIR}' -o 'source'
diff --git a/coreapi/help/doc/sphinx/conf.py.in b/coreapi/help/doc/sphinx/conf.py.in
index ad43af725..f2cece998 100644
--- a/coreapi/help/doc/sphinx/conf.py.in
+++ b/coreapi/help/doc/sphinx/conf.py.in
@@ -90,13 +90,18 @@ html_theme = 'classic'
 # further.  For a list of options available for each theme, see the
 # documentation.
 #
-# html_theme_options = {}
+html_theme_options = {
+	'collapsiblesidebar': 'true'
+}
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
 
+# Path to the picture to use as logo.
+html_logo = 'logo.png'
+
 
 # -- Options for HTMLHelp output ------------------------------------------
 
diff --git a/coreapi/help/doc/sphinx/logo.png b/coreapi/help/doc/sphinx/logo.png
new file mode 100644
index 000000000..de261e94a
Binary files /dev/null and b/coreapi/help/doc/sphinx/logo.png differ