diff --git a/DOCS/xml/Makefile b/DOCS/xml/Makefile
index 49379c4c69..82eb35167a 100644
--- a/DOCS/xml/Makefile
+++ b/DOCS/xml/Makefile
@@ -1,7 +1,7 @@
 # Makefile for generating the HTML documentation
 
 # List of subdirectories to be processed.
-SUBDIRS = en es fr hu pl ru
+SUBDIRS = en es fr hu pl ru cs
 
 # Generated chunked HTML files go here.
 HTML_CHUNKED = ../HTML