diff --git a/movement/monge_ampere.py b/movement/monge_ampere.py
index f38b1a3..50915bf 100644
--- a/movement/monge_ampere.py
+++ b/movement/monge_ampere.py
@@ -725,6 +725,9 @@ def move(self):
         :return: the iteration count
         :rtype: :class:`int`
         """
+        # Switch to computational coordinates
+        self.to_computational_coordinates()
+
         # Solve equidistribution problem, handling convergence errors according to
         # desired behaviour
         try: