diff --git a/doc/doxygen/riot.doxyfile b/doc/doxygen/riot.doxyfile
index 83d7854673dcc9325a1263d9e0b0a3db82d8d536..e7ea3d1324c9ce1dcafb37725adfaf8225e3acbe 100644
--- a/doc/doxygen/riot.doxyfile
+++ b/doc/doxygen/riot.doxyfile
@@ -782,7 +782,8 @@ INPUT_ENCODING         = UTF-8
 # *.qsf, *.as and *.js.
 
 FILE_PATTERNS          = *.txt \
-                         *.h
+                         *.h \
+                         *.hpp
 
 # The RECURSIVE tag can be used to specify whether or not subdirectories should
 # be searched for input files as well.