diff --git a/backend/api/controllers/result.js b/backend/api/controllers/result.js
index a475506a0..416c393bb 100644
--- a/backend/api/controllers/result.js
+++ b/backend/api/controllers/result.js
@@ -100,6 +100,12 @@ class ResultController {
         return res.status(400).json({ message: "Incorrect result hash" });
       }
 
+      if (result.timestamp > Date.now()) {
+        return res.status(400).json({ message: "Time traveler detected" });
+      }
+
+      result.timestamp = Math.round(Date.now() / 1000) * 1000;
+
       let timestampres = await ResultDAO.getResultByTimestamp(
         uid,
         result.timestamp
@@ -108,10 +114,6 @@ class ResultController {
         return res.status(400).json({ message: "Duplicate result" });
       }
 
-      if (result.timestamp > Date.now()) {
-        return res.status(400).json({ message: "Time traveler detected" });
-      }
-
       try {
         result.keySpacingStats = {
           average: