diff --git a/modules/CMakeLists.txt b/modules/CMakeLists.txt
index dd418e1c256f3c9dcf0c17d24cd732a693db1c05..20e102235b323e0a3b32e531beef75808129b535 100644
--- a/modules/CMakeLists.txt
+++ b/modules/CMakeLists.txt
@@ -3,7 +3,8 @@ file(GLOB ALL_FILES *)
 foreach(fname ${ALL_FILES})
   if(NOT ${fname} MATCHES ".*.svn" 
      AND NOT ${fname} MATCHES ".*CMakeFiles" 
-     AND NOT ${fname} MATCHES ".*main")
+     AND NOT ${fname} MATCHES ".*main"
+     AND NOT ${fname} MATCHES "doc")
       if(IS_DIRECTORY ${fname})
         add_subdirectory(${fname})
       endif()