diff --git a/docs/sphinx/doxygen/Doxyfile b/docs/sphinx/doxygen/Doxyfile
index 502d335..b04c115 100644
--- a/docs/sphinx/doxygen/Doxyfile
+++ b/docs/sphinx/doxygen/Doxyfile
@@ -93,7 +93,7 @@ WARN_NO_PARAMDOC       = NO
 WARN_AS_ERROR          = NO
 WARN_FORMAT            = "$file:$line: $text"
 WARN_LOGFILE           =
-INPUT                  = ../../src
+INPUT                  = ../../../src
 INPUT_ENCODING         = UTF-8
 FILE_PATTERNS          = *.c \
                          *.h