diff --git a/src/sentry/seer/endpoints/utils.py b/src/sentry/seer/endpoints/utils.py
index 359f1c46d05325..14802a265f9bff 100644
--- a/src/sentry/seer/endpoints/utils.py
+++ b/src/sentry/seer/endpoints/utils.py
@@ -13,7 +13,8 @@ def map_org_id_param(func: Callable) -> Callable:
     """
 
     def wrapper(*, organization_id: int, **kwargs: Any) -> Any:
-        return func(org_id=organization_id, **kwargs)
+        kwargs["org_id"] = organization_id
+        return func(**kwargs)
 
     return wrapper
 
diff --git a/tests/sentry/seer/endpoints/test_organization_seer_rpc.py b/tests/sentry/seer/endpoints/test_organization_seer_rpc.py
index e9a98c9a7805d5..e8e23bc47c3d0b 100644
--- a/tests/sentry/seer/endpoints/test_organization_seer_rpc.py
+++ b/tests/sentry/seer/endpoints/test_organization_seer_rpc.py
@@ -157,3 +157,12 @@ def test_org_read_permission(self) -> None:
 
             assert response.status_code == 200
             assert response.data == {"slug": self.organization.slug}
+
+    @with_feature("organizations:seer-public-rpc")
+    def test_org_level_method_duplicate_org_id(self) -> None:
+        """Test that organization-level methods work and return correct data"""
+        path = self._get_path("get_organization_slug")
+        response = self.client.post(path, data={"args": {"org_id": 1}}, format="json")
+
+        assert response.status_code == 200
+        assert response.data == {"slug": self.organization.slug}