diff --git a/doc/CREDITS b/doc/CREDITS
index e0322084e..6d27b69d7 100644
--- a/doc/CREDITS
+++ b/doc/CREDITS
@@ -93,6 +93,10 @@ More special thanks to:
   * Piotr Fusik <P.Fusik@elka.pw.edu.pl>
 
     for lots of bug reports, code snippets and suggestions.
+            
+  * Josef Soucek <josef.soucek@ct.cz>
+
+    Josef contributed the CBM directory routines.
 
 
 Thanks to