diff --git a/patch_n2v.sh b/patch_n2v.sh
new file mode 100755
index 0000000..c0e0912
--- /dev/null
+++ b/patch_n2v.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+case $1 in
+r | reset)
+	echo "Unpatching n2v"
+	cp -v n2v.bak/engines/psi4.py n2v/engines/psi4.py
+	cp -v n2v.bak/inverter.py n2v/inverter.py
+	cp -v n2v.bak/methods/zmp.py n2v/methods/zmp.py
+	cp -v n2v.bak/grid/grider.py n2v/grid/grider.py
+	;;
+*)
+	echo "Patching n2v"
+	cp -v n2v.patched/engines/psi4.py n2v/engines/psi4.py
+	cp -v n2v.patched/inverter.py n2v/inverter.py
+	cp -v n2v.patched/methods/zmp.py n2v/methods/zmp.py
+	cp -v n2v.patched/grid/grider.py n2v/grid/grider.py
+	;;
+esac