diff --git a/backend/app.py b/backend/app.py
index d48b303..f72c239 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -2419,7 +2419,7 @@ def _resolve_embed_config(oci_config_id: str = None, genai_cfg: dict = None) ->
                     "oci_config_id": oc["id"],
                     "genai_region": oc["region"],
                     "endpoint": f"https://inference.generativeai.{oc['region']}.oci.oraclecloud.com",
-                    "compartment_id": oc.get("compartment_id") or oc["tenancy_ocid"],
+                    "compartment_id": (dict(oc).get("compartment_id") or oc["tenancy_ocid"]),
                 }
     # Last resort: any genai config
     with db() as c:
@@ -2432,7 +2432,7 @@ def _resolve_embed_config(oci_config_id: str = None, genai_cfg: dict = None) ->
                 "oci_config_id": oc["id"],
                 "genai_region": oc["region"],
                 "endpoint": f"https://inference.generativeai.{oc['region']}.oci.oraclecloud.com",
-                "compartment_id": oc.get("compartment_id") or oc["tenancy_ocid"],
+                "compartment_id": (dict(oc).get("compartment_id") or oc["tenancy_ocid"]),
             }
     raise HTTPException(400, "Nenhuma credencial OCI configurada para gerar embeddings.")