diff --git a/doc/Doxyfile b/doc/Doxyfile
index 2c744dbfb..86ae4bf5e 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -1090,7 +1090,7 @@ FILTER_SOURCE_PATTERNS =
 # (index.html). This can be useful if you have a project on for instance GitHub
 # and want to reuse the introduction page also for the doxygen output.
 
-USE_MDFILE_AS_MAINPAGE = main.md
+USE_MDFILE_AS_MAINPAGE = _doxygen/main.md
 
 # The Fortran standard specifies that for fixed formatted Fortran code all
 # characters from position 72 are to be considered as comment. A common