diff --git a/src/funcchain/parser/primitive_types.py b/src/funcchain/parser/primitive_types.py
index 58b8729..7757b2f 100644
--- a/src/funcchain/parser/primitive_types.py
+++ b/src/funcchain/parser/primitive_types.py
@@ -24,7 +24,7 @@ def __init__(
         retry_llm: BaseChatModel | str | None = None,
     ) -> None:
         super().__init__(
-            pydantic_object=create_model("ExtractPrimitiveType", value=(primitive_type, ...)),
+            pydantic_object=create_model("Extract", value=(primitive_type, ...)),
             retry=retry,
             retry_llm=retry_llm,
         )