diff --git a/hw/xwin/Makefile.am b/hw/xwin/Makefile.am
index 50b4d9f6b..0846230b0 100644
--- a/hw/xwin/Makefile.am
+++ b/hw/xwin/Makefile.am
@@ -197,4 +197,4 @@ relink:
 	$(AM_V_at)rm -f XWin$(EXEEXT) && $(MAKE) XWin$(EXEEXT)
 
 SUBDIRS = man $(GLX_DIR) winclipboard .
-DIST_SUBDIRS = man glx winclipboard .
+DIST_SUBDIRS = man dri glx winclipboard .