diff --git a/src/main/services/library-sync/create-game.ts b/src/main/services/library-sync/create-game.ts
index 823f56a6..6e56a3de 100644
--- a/src/main/services/library-sync/create-game.ts
+++ b/src/main/services/library-sync/create-game.ts
@@ -4,7 +4,7 @@ import { HydraApi } from "../hydra-api";
 export const createGame = async (game: Game) => {
   return HydraApi.post(`/games`, {
     objectId: game.objectID,
-    playTimeInMilliseconds: Math.round(game.playTimeInMilliseconds),
+    playTimeInMilliseconds: Math.trunc(game.playTimeInMilliseconds),
     shop: game.shop,
     lastTimePlayed: game.lastTimePlayed,
   });
diff --git a/src/main/services/library-sync/update-game-playtime.ts b/src/main/services/library-sync/update-game-playtime.ts
index 271dc6a5..efedf47c 100644
--- a/src/main/services/library-sync/update-game-playtime.ts
+++ b/src/main/services/library-sync/update-game-playtime.ts
@@ -7,7 +7,7 @@ export const updateGamePlaytime = async (
   lastTimePlayed: Date
 ) => {
   return HydraApi.put(`/games/${game.remoteId}`, {
-    playTimeDeltaInSeconds: delta,
+    playTimeDeltaInSeconds: Math.trunc(delta),
     lastTimePlayed,
   });
 };
diff --git a/src/main/services/library-sync/upload-batch-games.ts b/src/main/services/library-sync/upload-batch-games.ts
index cfea9d39..5f12522b 100644
--- a/src/main/services/library-sync/upload-batch-games.ts
+++ b/src/main/services/library-sync/upload-batch-games.ts
@@ -18,7 +18,7 @@ export const uploadBatchGames = async () => {
         chunk.map((game) => {
           return {
             objectId: game.objectID,
-            playTimeInMilliseconds: Math.round(game.playTimeInMilliseconds),
+            playTimeInMilliseconds: Math.trunc(game.playTimeInMilliseconds),
             shop: game.shop,
             lastTimePlayed: game.lastTimePlayed,
           };