diff --git a/Doc/Doxyfile b/Doc/Doxyfile
index b51c8169..15a9e9ac 100644
--- a/Doc/Doxyfile
+++ b/Doc/Doxyfile
@@ -1241,7 +1241,7 @@ SEARCH_INCLUDES        = YES
 # contain include files that are not input files but should be processed by 
 # the preprocessor.
 
-INCLUDE_PATH           = 
+INCLUDE_PATH           = ../src ../
 
 # You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard 
 # patterns (like *.h and *.hpp) to filter out the header-files in the