diff --git a/workflows/_synb0_eddy.sh b/workflows/_synb0_eddy.sh
index bac2046..edd4e93 100755
--- a/workflows/_synb0_eddy.sh
+++ b/workflows/_synb0_eddy.sh
@@ -31,7 +31,7 @@ mkdir -p $TMPDIR
 if [ ! -f OUTPUTS/b0_all_topup.nii.gz ]
 then
     TMPDIR=$TMPDIR \
-    singularity run -B INPUTS/:/INPUTS -B OUTPUTS/:/OUTPUTS \
+    singularity run -e -B INPUTS/:/INPUTS -B OUTPUTS/:/OUTPUTS \
     -B ${NEW_SOFT_DIR}/fs7.1.0/license.txt:/extra/freesurfer/license.txt \
     ${NEW_SOFT_DIR}/containers/synb0-disco_v3.0.sif --stripped
 fi