diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 9462feac8e0a32a16349a2ea8412b995105d848e..75467f330a5e435b3012a5a823ddfee7f0237846 100644
Binary files a/doc/CMakeLists.txt and b/doc/CMakeLists.txt differ
diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index f40565fd55be72e828e47a864afd53bcdbced85c..67be0bf708d049b478331aca93d76c635982c824 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -1204,7 +1204,7 @@ MATHJAX_EXTENSIONS     =
 # typically be disabled. For large projects the javascript based search engine 
 # can be slow, then enabling SERVER_BASED_SEARCH may provide a better solution.
 
-SEARCHENGINE           = NO
+SEARCHENGINE           = YES
 
 # When the SERVER_BASED_SEARCH tag is enabled the search engine will be 
 # implemented using a PHP enabled web server instead of at the web client