diff --git a/backend/api/controllers/result.js b/backend/api/controllers/result.js
index 0b863c224..e6c4bd371 100644
--- a/backend/api/controllers/result.js
+++ b/backend/api/controllers/result.js
@@ -43,6 +43,7 @@ class ResultController {
     try {
       const { uid } = req.decodedToken;
       const { result } = req.body;
+      result.testDuration = parseFloat(result.testDuration);
       if (validateObjectValues(result) > 0)
         return res.status(400).json({ message: "Bad input" });
       if (
diff --git a/src/js/account.js b/src/js/account.js
index 0223aad81..025041ded 100644
--- a/src/js/account.js
+++ b/src/js/account.js
@@ -620,7 +620,7 @@ export function update() {
           tt = (parseFloat(result.mode2) / parseFloat(result.wpm)) * 60;
         }
       } else {
-        tt = result.testDuration;
+        tt = parseFloat(result.testDuration);
       }
 
       tt += (result.incompleteTestSeconds ?? 0) - (result.afkDuration ?? 0);