diff --git a/Documentation/doc/resources/1.8.13/BaseDoxyfile.in b/Documentation/doc/resources/1.8.13/BaseDoxyfile.in
index a6bc2bbb17e..49b2e2c11b3 100644
--- a/Documentation/doc/resources/1.8.13/BaseDoxyfile.in
+++ b/Documentation/doc/resources/1.8.13/BaseDoxyfile.in
@@ -1571,7 +1571,7 @@ MATHJAX_FORMAT         = HTML-CSS
 # The default value is: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2.
 # This tag requires that the tag USE_MATHJAX is set to YES.
 
-${CGAL_DOC_MATHJAX_LOCATION_FULL_OPTION_LINE}
+MATHJAX_RELPATH = ${CGAL_DOC_MATHJAX_LOCATION}
 
 # The MATHJAX_EXTENSIONS tag can be used to specify one or more MathJax
 # extension names that should be enabled during MathJax rendering. For example