diff --git a/userspace/ppsi b/userspace/ppsi
index 85b315ec0a6ddd85b1c9d8547cb3fa5db0d157a2..551a786c61e944a68185b6bc7391e2e7778140f7 160000
--- a/userspace/ppsi
+++ b/userspace/ppsi
@@ -1 +1 @@
-Subproject commit 85b315ec0a6ddd85b1c9d8547cb3fa5db0d157a2
+Subproject commit 551a786c61e944a68185b6bc7391e2e7778140f7