diff --git a/CMakeLists.txt b/CMakeLists.txt
index 880eec2..ec42952 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,7 +65,11 @@ add_definitions(
   ${TQT_CFLAGS_OTHER}
 )
 
-set( APIDOX_HTML_DIRECTORY "usr/share/doc/libdbus-1-tqt/HTML" )
+if( CMAKE_APIDOX_HTML_DIRECTORY )
+	set( APIDOX_HTML_DIRECTORY "${CMAKE_APIDOX_HTML_DIRECTORY}" )
+else()
+	set( APIDOX_HTML_DIRECTORY "usr/share/doc/libdbus-1-tqt/HTML" )
+endif()
 set( APIDOX_DIRECTORY "${CMAKE_BINARY_DIR}/${APIDOX_HTML_DIRECTORY}/en" )