diff --git a/src/robotoff.ts b/src/robotoff.ts
index ca571e081..a2ec4acd0 100644
--- a/src/robotoff.ts
+++ b/src/robotoff.ts
@@ -1,6 +1,7 @@
 import axios from "axios";
 import { ROBOTOFF_API_URL, IS_DEVELOPMENT_MODE, OFF_IMAGE_URL } from "./const";
 import { getLang } from "./localeStorageManager";
+import COUNTRIES from "./assets/countries.json";
 import { reformatValueTag, removeEmptyKeys } from "./utils";
 
 export interface QuestionInterface {
@@ -16,6 +17,13 @@ export interface QuestionInterface {
 
 type GetQuestionsResponse = { count: number; questions: QuestionInterface[] };
 
+function countryId2countryCode(id: string | null) {
+  if (id === null) {
+    return null;
+  }
+  return COUNTRIES.find((c) => c.id === id)?.countryCode;
+}
+
 const robotoff = {
   annotate(insightId: string, annotation) {
     if (IS_DEVELOPMENT_MODE) {
@@ -64,7 +72,9 @@ const robotoff = {
       insight_types: insightType,
       value_tag: valueTag,
       brands: reformatValueTag(brandFilter),
-      country: countryFilter !== "en:world" ? countryFilter : null,
+      countries: countryId2countryCode(
+        countryFilter !== "en:world" ? countryFilter : null,
+      ),
       campaign,
       predictor,
       order_by: sortByPopularity ? "popularity" : "random",
@@ -227,6 +237,7 @@ const robotoff = {
     return axios.get(
       `${ROBOTOFF_API_URL}/questions/unanswered/?${Object.keys({
         ...params,
+        countries: countryId2countryCode(params.country),
         page,
       })
         .filter((key) => params[key] !== undefined)