diff --git a/python/ray/operator/operator_utils.py b/python/ray/operator/operator_utils.py
index 94d2a00cf..08afda94f 100644
--- a/python/ray/operator/operator_utils.py
+++ b/python/ray/operator/operator_utils.py
@@ -95,4 +95,4 @@ def get_cluster_owner_reference(
 
 def translate(configuration: Dict[str, Any],
               dictionary: Dict[str, str]) -> Dict[str, Any]:
-    return {dictionary[field]: configuration[field] for field in configuration}
+    return {dictionary[field]: configuration[field] for field in dictionary}