diff --git a/sw/ext/pprzlink b/sw/ext/pprzlink
index a4745b4592..1ac4a97ea0 160000
--- a/sw/ext/pprzlink
+++ b/sw/ext/pprzlink
@@ -1 +1 @@
-Subproject commit a4745b45923b5184c5afb03275a6be770273b710
+Subproject commit 1ac4a97ea0ceb5ae22f33d19f61bf64c1670ecfc