diff --git a/submodules/belle-sip b/submodules/belle-sip
index 1911434d7..1ac993594 160000
--- a/submodules/belle-sip
+++ b/submodules/belle-sip
@@ -1 +1 @@
-Subproject commit 1911434d7e9c2125cd38ee94078c375bfb115944
+Subproject commit 1ac993594fbc92adda2901b87d40c9c1ee026fe3