diff --git a/Golden_Repo/o/OpenMPI-settings/OpenMPI-settings-4.1-default.eb b/Golden_Repo/o/OpenMPI-settings/OpenMPI-settings-4.1-default.eb
index 1987d9a91b09e543a1e32fc2f8e7ff796f1d18d1..798d1552c019f721b2d75645331da5ae85473d05 100644
--- a/Golden_Repo/o/OpenMPI-settings/OpenMPI-settings-4.1-default.eb
+++ b/Golden_Repo/o/OpenMPI-settings/OpenMPI-settings-4.1-default.eb
@@ -16,6 +16,7 @@ source_urls = []
 sources = []
 modextravars = {
     'SLURM_MPI_TYPE': 'pspmix',
+    'UCX_TLS': 'rc_x,cuda_ipc,gdr_copy,self,sm,cuda_copy',
     'OMPI_MCA_mca_base_component_show_load_errors': '1',
     'OMPI_MCA_mpi_param_check': '1',
     'OMPI_MCA_mpi_show_handle_leaks': '1',