diff --git a/doc/cm3/Doxyfile b/doc/cm3/Doxyfile
index 7cf6496c..ab18666d 100644
--- a/doc/cm3/Doxyfile
+++ b/doc/cm3/Doxyfile
@@ -15,8 +15,9 @@
 
 WARN_LOGFILE           = doxygen_cm3.log
 
-INPUT                  = ../../include/libopencm3/license.dox \
-						 ../../include/libopencm3/cm3/
+INPUT = ../../include/libopencm3/license.dox
+INPUT += ../../include/libopencm3/cm3/
+INPUT += ../../lib/cm3
 
 LAYOUT_FILE 		   = DoxygenLayout_cm3.xml