diff --git a/profiles/make.defaults b/profiles/make.defaults
index 9f38e28fe2..f245f94756 100644
--- a/profiles/make.defaults
+++ b/profiles/make.defaults
@@ -1 +1 @@
-USE_EXPAND="BACKEND COMM_QUEUE GEOIDS_DATASETS GRAVITY_MODELS INSTRUMENT MAGNETIC_MODELS NANOX OFI_MR PARSEC_DEBUG PARSEC_DIST PARSEC_PROF TCL TOTAL_DATA_ORDERING TRANSPORT"
+USE_EXPAND="BACKEND COMM_QUEUE GEOIDS_DATASETS GRAVITY_MODELS INSTRUMENT MAGNETIC_MODELS MBDYN_MODULE NANOX OFI_MR PARSEC_DEBUG PARSEC_DIST PARSEC_PROF TCL TOTAL_DATA_ORDERING TRANSPORT"