diff --git a/port_ocean/core/handlers/entity_processor/jq_entity_processor.py b/port_ocean/core/handlers/entity_processor/jq_entity_processor.py
index be4efab911..839c63ad17 100644
--- a/port_ocean/core/handlers/entity_processor/jq_entity_processor.py
+++ b/port_ocean/core/handlers/entity_processor/jq_entity_processor.py
@@ -96,7 +96,7 @@ async def _search_as_object(
         self,
         data: dict[str, Any],
         obj: dict[str, Any],
-        misconfigurations: dict[str, str] = {},
+        misconfigurations: dict[str, str] | None = None,
     ) -> dict[str, Any | None]:
         search_tasks: dict[
             str, Task[dict[str, Any | None]] | list[Task[dict[str, Any | None]]]
diff --git a/port_ocean/core/ocean_types.py b/port_ocean/core/ocean_types.py
index 5413e0fd56..8520b79bd3 100644
--- a/port_ocean/core/ocean_types.py
+++ b/port_ocean/core/ocean_types.py
@@ -7,6 +7,7 @@
     NamedTuple,
 )
 
+from dataclasses import field
 from port_ocean.core.models import Entity
 
 RAW_ITEM = dict[Any, Any]
@@ -37,7 +38,7 @@ class EntitySelectorDiff(NamedTuple):
 class CalculationResult(NamedTuple):
     entity_selector_diff: EntitySelectorDiff
     errors: list[Exception]
-    misconfigured: dict[str, str] = {}
+    misconfigured: dict[str, str] = field(default_factory=dict)
 
 
 class IntegrationEventsCallbacks(TypedDict):