diff --git a/generate_all_operators.py b/generate_all_operators.py
index 17d58984d654b16afd899b1a10f4cac9792b1cdc..33580f31ff573e9c50f523f118c677b15789287f 100644
--- a/generate_all_operators.py
+++ b/generate_all_operators.py
@@ -605,7 +605,7 @@ def all_operators(
 
     for c in [0, 1, 2]:
         # fmt: off
-        div_geometries = geometries
+        div_geometries = list(geometries)
         if c == 2:
             div_geometries = three_d
         ops.append(OperatorInfo(mapping=f"P2ToP1", name=f"Div_{c}", trial_space=P1, test_space=P2,