diff --git a/PyNutil/generate_target_slice.py b/PyNutil/generate_target_slice.py
index 7c9af439bd29a2d9450510aaab9341a0d32e4c36..f042f707bb39e8bca8bbdef845af0af3c8ffb6c5 100644
--- a/PyNutil/generate_target_slice.py
+++ b/PyNutil/generate_target_slice.py
@@ -1,7 +1,7 @@
 import numpy as np
 import math
 
-def generate_target_slize(ouv, atlas):
+def generate_target_slice(ouv, atlas):
     width = None
     height = None
     ox, oy, oz, ux, uy, uz, vx, vy, vz = ouv