1 files changed, 3 insertions, 2 deletions
diff --git a/openbb_platform/core/openbb_core/provider/standard_models/options_unusual.py b/openbb_platform/core/openbb_core/provider/standard_models/options_unusual.py
index ccd8310e85e..647e702925d 100644
--- a/openbb_platform/core/openbb_core/provider/standard_models/options_unusual.py
+++ b/openbb_platform/core/openbb_core/provider/standard_models/options_unusual.py
@@ -21,8 +21,9 @@ class OptionsUnusualQueryParams(QueryParams):
     )
 
     @field_validator("symbol", mode="before", check_fields=False)
-    def upper_symbol(cls, v: str):
-        """Convert symbol to uppercase."""
+    @classmethod
+    def to_upper(cls, v: str):
+        """Convert field to uppercase."""
         return v.upper() if v else None