1 files changed, 7 insertions, 1 deletions
diff --git a/openbb_platform/core/openbb_core/provider/standard_models/gdp_real.py b/openbb_platform/core/openbb_core/provider/standard_models/gdp_real.py
index 9cf2118a399..e91a9df9688 100644
--- a/openbb_platform/core/openbb_core/provider/standard_models/gdp_real.py
+++ b/openbb_platform/core/openbb_core/provider/standard_models/gdp_real.py
@@ -3,7 +3,7 @@
 from datetime import date as dateType
 from typing import Literal, Optional
 
-from pydantic import Field
+from pydantic import Field, field_validator
 
 from openbb_core.provider.abstract.data import Data
 from openbb_core.provider.abstract.query_params import QueryParams
@@ -30,6 +30,12 @@ class GdpRealQueryParams(QueryParams):
         default=None, description=QUERY_DESCRIPTIONS.get("end_date")
     )
 
+    @field_validator("units", mode="before", check_fields=False)
+    @classmethod
+    def to_lower(cls, v: Optional[str]) -> Optional[str]:
+        """Convert field to lowercase."""
+        return v.lower() if v else v
+
 
 class GdpRealData(Data):
     """Real GDP Data."""