diff --git a/submodules/zdtun b/submodules/zdtun
index 809d6d20..3ac3633d 160000
--- a/submodules/zdtun
+++ b/submodules/zdtun
@@ -1 +1 @@
-Subproject commit 809d6d200a97b2802ab346cc93ea97bac5457ea2
+Subproject commit 3ac3633dc661511132b81efbb130779fc51aa598