diff --git a/pykat/math/hermite.py b/pykat/math/hermite.py
index f300ad42f7746b24c88fdee764d38adba1a97a8e..9a295b85c47ef88a0024e683e725b27da647ae0c 100644
--- a/pykat/math/hermite.py
+++ b/pykat/math/hermite.py
@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 import numpy as np
 
 def hermite(n, x): 
diff --git a/pykat/optics/maps.py b/pykat/optics/maps.py
index 8a33ed7eb6755bb94e7b7e48cc4da1e5a8612ad6..cfa164cba63b25fdb222c6dca670fc511cbbe357 100644
--- a/pykat/optics/maps.py
+++ b/pykat/optics/maps.py
@@ -16,7 +16,7 @@ from __future__ import print_function
 from pykat.optics.romhom import makeWeightsNew
 from scipy.interpolate import interp2d, interp1d
 from scipy.optimize import minimize
-from pykat.maths.zernike import *        
+from pykat.math.zernike import *        
 from pykat.exceptions import BasePyKatException
 from copy import deepcopy