diff --git a/tutorial/netstd/Makefile.am b/tutorial/netstd/Makefile.am
index f295cc0..522601d 100644
--- a/tutorial/netstd/Makefile.am
+++ b/tutorial/netstd/Makefile.am
@@ -31,6 +31,9 @@
 	$(RM) -r Interfaces/bin
 	$(RM) -r Interfaces/obj
 
+distdir:
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
 EXTRA_DIST = \
 	Client \
 	Interfaces \