diff --git a/tutorial/swift/Makefile.am b/tutorial/swift/Makefile.am
index e8b8b22..bb1e612 100644
--- a/tutorial/swift/Makefile.am
+++ b/tutorial/swift/Makefile.am
@@ -23,6 +23,9 @@
 gen_swift:
 	$(THRIFT) --gen swift -r -o Sources/Common $(top_srcdir)/tutorial/tutorial.thrift
 
+distdir:
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
 tutorial: gen_swift
 	swift run TutorialRunner