diff --git a/geant4/LEMuSR/fieldmapsdir.sh b/geant4/LEMuSR/fieldmapsdir.sh
new file mode 100644
index 0000000..55fb744
--- /dev/null
+++ b/geant4/LEMuSR/fieldmapsdir.sh
@@ -0,0 +1,2 @@
+export LEMuSR_FIELDMAPS_DIR=/home/l_paraiso/LEMuSR/FieldMaps
+