diff --git a/Documentation/html_output_post_processing.py b/Documentation/html_output_post_processing.py
index 931f976c3ee..e2da577cd51 100755
--- a/Documentation/html_output_post_processing.py
+++ b/Documentation/html_output_post_processing.py
@@ -249,6 +249,8 @@ removes some unneeded files, and performs minor repair on some glitches.''')
         # TODO count figures
         write_out_html(d, fn)
 
+    # remove %CGAL in navtree: this should be a fix in doxygen but for now it does not worth it
+    re_replace_in_file('%CGAL','CGAL',glob.glob('./CGAL.CGAL/html/navtree.js')[0])
     clean_doc()