diff --git a/minimalModel.py b/minimalModel.py
index 48e093a..bec0e0a 100644
--- a/minimalModel.py
+++ b/minimalModel.py
@@ -51,7 +51,7 @@ def injectivity_step(M, phi, check_dim, names,
         mcd = gcd(d, check_dim)
         if d%2 == 0 and mcd == d:
             power = True
-            exp = check_dim / d
+            exp = check_dim // d
             mult = e0
             for j in range(1,exp-1):
                 mult *= e0