diff --git a/doc/Doxyfile b/doc/Doxyfile
index 5006795d..58b6afaf 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -564,8 +564,7 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories 
 # with spaces.
 
-##INPUT                  = ../include
-INPUT                  = ../include/IPhreeqc.hpp ../include/IPhreeqc.h ../include/Var.h
+INPUT                  = ../src/IPhreeqc.hpp ../src/IPhreeqc.h ../src/Var.h
 
 # This tag can be used to specify the character encoding of the source files 
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is