diff --git a/atmosphere/tests/e2e/test_operator.py b/atmosphere/tests/e2e/test_operator.py
index a014df4..b46f07f 100644
--- a/atmosphere/tests/e2e/test_operator.py
+++ b/atmosphere/tests/e2e/test_operator.py
@@ -28,7 +28,7 @@
         loader=FileSystemLoader("roles/atmosphere/templates"),
         extensions=["jinja2_base64_filters.Base64Filters"],
     )
-    env.filters["to_toml"] = toml.dumps
+    env.filters["vexxhost.atmosphere.to_toml"] = toml.dumps
 
     args = {
         "atmosphere_image": docker_image,