diff --git a/qpms/symmetries.py b/qpms/symmetries.py
index bf149e0..47a7408 100644
--- a/qpms/symmetries.py
+++ b/qpms/symmetries.py
@@ -1,5 +1,6 @@
+import sympy
 from sympy.combinatorics import Permutation, PermutationGroup
-Permutation.print_cyclic = True
+sympy.init_printing(perm_cyclic = True)
 import cmath
 from cmath import exp, pi
 from math import sqrt