diff --git a/src/kiara/models/context.py b/src/kiara/models/context.py
index cdab963e9..90e54196f 100644
--- a/src/kiara/models/context.py
+++ b/src/kiara/models/context.py
@@ -92,7 +92,7 @@ def create_from_context(
     archives: ArchiveGroupInfo = Field(
         description="The archives registered in this context."
     )
-    invalid: bool = Field(description="Whether this context has errors.", bool=False)
+    invalid: bool = Field(description="Whether this context has errors.", default=False)
     comment: Union[str, None] = Field(
         default=None, description="(Optional) comment about this context."
     )