diff --git a/backend/assets/functions/main/convertCurrency.js b/backend/assets/functions/main/convertCurrency.js
index 73b92cb..110b766 100644
--- a/backend/assets/functions/main/convertCurrency.js
+++ b/backend/assets/functions/main/convertCurrency.js
@@ -20,6 +20,9 @@ exports.convertCurrencyOutput = ({ res, next }, argsObject) => {
     axios.get(`https://api.exchangeratesapi.io/latest?base=${baseCurrency}`)
         .then((response) => {
             const rate = response.data.rates[finalCurrency];
+            if (!rate) {
+                return errorHandling(next, { message: "La devise n'existe pas.", statusCode: 404 });
+            }
             const result = rate * number;
             const dateObject = new Date(response.data.date);
             const year = dateObject.getFullYear();
diff --git a/backend/assets/functions/main/convertTemperature.js b/backend/assets/functions/main/convertTemperature.js
index 8cf2339..dfadd24 100644
--- a/backend/assets/functions/main/convertTemperature.js
+++ b/backend/assets/functions/main/convertTemperature.js
@@ -48,5 +48,5 @@ exports.convertTemperatureOutput = ({ res, next }, argsObject) => {
         return errorHandling(next, generalError);
     }
 
-    return res.status(200).json({ result });
+    return res.status(200).json(result);
 }
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