diff --git a/cmake/modules/DumuxDoxygen.cmake b/cmake/modules/DumuxDoxygen.cmake
index ae4a0fa9c8dcdf40a3fc0b2fbaa6979d273cf44f..c2afd80838b91ccee7d88c5bba0cdca66c2159ff 100644
--- a/cmake/modules/DumuxDoxygen.cmake
+++ b/cmake/modules/DumuxDoxygen.cmake
@@ -2,8 +2,10 @@
 #
 # make sure, that the doxygen links to todo list, bibliography, etc. are correct
 MACRO (add_dumux_doxygen_target)
+if(DOXYGEN_FOUND)
   add_doxygen_target()
   add_custom_command(TARGET doxygen_${ProjectName}
                      POST_BUILD
                      COMMAND ${CMAKE_SOURCE_DIR}/doc/doxygen/sanitizelinks.sh)
+endif()
 ENDMACRO (add_dumux_doxygen_target)