diff --git a/Mainpage.dox b/Mainpage.dox
index 382f53952..f9a6dc553 100644
--- a/Mainpage.dox
+++ b/Mainpage.dox
@@ -861,3 +861,4 @@ would need a lot of code we work with static data here. [to be continued]
 */
 
 // DOXYGEN_EXCLUDE = conf generators shell ui
+// DOXYGEN_FILE_PATTERNS = core/*.h *.dox