diff --git a/src/static/js/synced-timer.js b/src/static/js/synced-timer.js
index 328a293..f27878f 100644
--- a/src/static/js/synced-timer.js
+++ b/src/static/js/synced-timer.js
@@ -29,7 +29,7 @@ document.addEventListener('alpine:init' , () => {
             setInterval(() => {
                 if(!this.currentData) return;
 
-                const passedSeconds = parseInt(((Date.now()-this.timeOffsetToServer) / 1000) - this.currentData.startedAt);
+                const passedSeconds = parseInt(((performance.now()-this.timeOffsetToServer) / 1000) - this.currentData.startedAt);
                 let remaningSeconds;
                 if(this.currentData.repeatEnabled) {
                     remaningSeconds = parseInt(this.currentData.time * 60 - (passedSeconds % (this.currentData.time * 60)));