diff --git a/topic0 b/topic0
index 5026a20..63794c4 160000
--- a/topic0
+++ b/topic0
@@ -1 +1 @@
-Subproject commit 5026a20b712c1cad66878821c38e1f070e4a3799
+Subproject commit 63794c46467dea47fd99ec47db745c482887367e