diff --git a/test/swift/CrossTests/Makefile.am b/test/swift/CrossTests/Makefile.am
index b7d8fbb..5b33232 100644
--- a/test/swift/CrossTests/Makefile.am
+++ b/test/swift/CrossTests/Makefile.am
@@ -30,5 +30,8 @@
 clean-local:
 	$(RM) -r Sources/Common/gen-swift/
 
+distdir:
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
 dist-hook:
 	$(RM) -r $(distdir)/gen-swift/