diff --git a/Cassiopee/Envs/env_Cassiopee_local b/Cassiopee/Envs/env_Cassiopee_local
index c8d58c541..66c2daa7e 100644
--- a/Cassiopee/Envs/env_Cassiopee_local
+++ b/Cassiopee/Envs/env_Cassiopee_local
@@ -669,6 +669,7 @@ else if ($MAC == "juno") then
         unsetenv I_MPI_FABRICS
         unsetenv I_MPI_PMI_LIBRARY
         unsetenv I_MPI_TCP_NETMASK
+        unsetenv I_MPI_HYDRA_BOOTSTRAP_EXEC_EXTRA_ARGS I_MPI_HYDRA_BOOTSTRAP HYDRA_BOOTSTRAP
         unsetenv SLURM*
         setenv OMP_PLACES cores
         setenv PYTHONEXE python3
diff --git a/Cassiopee/Envs/sh_Cassiopee_local b/Cassiopee/Envs/sh_Cassiopee_local
index f13cf40d1..2956709b2 100644
--- a/Cassiopee/Envs/sh_Cassiopee_local
+++ b/Cassiopee/Envs/sh_Cassiopee_local
@@ -583,6 +583,7 @@ elif [ "$MAC" = "juno" ]; then
     unset I_MPI_FABRICS
     unset I_MPI_TCP_NETMASK
     unset I_MPI_PMI_LIBRARY
+    unset I_MPI_HYDRA_BOOTSTRAP_EXEC_EXTRA_ARGS I_MPI_HYDRA_BOOTSTRAP HYDRA_BOOTSTRAP
     unset $(env | grep SLURM | cut -d'=' -f 1)
     export OMP_PLACES=cores