diff --git a/scripts/pspec.py b/scripts/pspec.py
index 072a384..84a02ae 100644
--- a/scripts/pspec.py
+++ b/scripts/pspec.py
@@ -570,7 +570,7 @@ def main(arg):
                 ]
 
             cam = Camera(
-                center=[O.5, 0.5, 0.5], #arg.center,
+                center=[0.5, 0.5, 0.5], #arg.center,
                 line_of_sight_axis="z",
                 region_size=[arg.size, arg.size],
                 distance=arg.size / 2.0,