diff --git a/legacy/eio/doc/Doxyfile b/legacy/eio/doc/Doxyfile
index 76eae4836d..c21c19400a 100644
--- a/legacy/eio/doc/Doxyfile
+++ b/legacy/eio/doc/Doxyfile
@@ -581,7 +581,7 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories
 # with spaces.
 
-INPUT                  = ../src/lib
+INPUT                  = eio.dox ../src/lib
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is