diff --git a/externals/mam4xx b/externals/mam4xx
index 7b0be56f4c3..96e99ac78f8 160000
--- a/externals/mam4xx
+++ b/externals/mam4xx
@@ -1 +1 @@
-Subproject commit 7b0be56f4c3f164259c6a9d8a0d16d6f5b72f3ae
+Subproject commit 96e99ac78f8201f4bcc7d75a329f4e92fbe4e897