diff --git a/externals/mam4xx b/externals/mam4xx
index 7d7a4a673a1..fdbb0816c5c 160000
--- a/externals/mam4xx
+++ b/externals/mam4xx
@@ -1 +1 @@
-Subproject commit 7d7a4a673a1f2709986b62c6490c8414829c5212
+Subproject commit fdbb0816c5c0c541265ec17f544908da935d8af6