diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2893f66b..52b8ce1d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,7 +61,7 @@ if (BUILDDOC)
   # add a target to generate API documentation with Doxygen
   find_package (Doxygen)
   if (DOXYGEN_FOUND)
-    configure_file (${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
+    configure_file (${CMAKE_CURRENT_SOURCE_DIR}/doxy/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
     add_custom_target (doc
       ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
       WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
diff --git a/Doxyfile.in b/doxy/Doxyfile.in
similarity index 100%
rename from Doxyfile.in
rename to doxy/Doxyfile.in
diff --git a/DoxygenLayout.xml b/doxy/DoxygenLayout.xml
similarity index 100%
rename from DoxygenLayout.xml
rename to doxy/DoxygenLayout.xml