diff --git a/doc/Makefile b/doc/Makefile
index e9b46017..30afa2e2 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -1,4 +1,6 @@
 TOPDIR = ..
 
+SUBDIRS = licenses
+
 include $(TOPDIR)/make/proj.mk
-include $(JWBDIR)/make/cleandirs.mk
+include $(JWBDIR)/make/dirs.mk