diff --git a/doc/doxygen/riot.doxyfile b/doc/doxygen/riot.doxyfile
index 9506cb71a396f271eb22a658a5a52d7a46897bef..3562083bf90baa32d7095f65ab44eda647d1f313 100644
--- a/doc/doxygen/riot.doxyfile
+++ b/doc/doxygen/riot.doxyfile
@@ -753,7 +753,8 @@ WARN_LOGFILE           =
 # spaces.
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = ../../core \
+INPUT                  = ../../doc.txt \
+                         ../../core \
                          ../../cpu \
                          ../../boards \
                          ../../drivers \