diff --git a/backend/src/agent/brains/szenario.brain.ts b/backend/src/agent/brains/szenario.brain.ts
index 70a8b17..07d0f3f 100644
--- a/backend/src/agent/brains/szenario.brain.ts
+++ b/backend/src/agent/brains/szenario.brain.ts
@@ -75,7 +75,8 @@ export class SzenarioBrain extends Brain {
 
         const totalDuration = differenceInSeconds(this.startDate, this.endDate);
         const progressDuration = differenceInSeconds(this.startDate, time);
-        this.finishedPercent = (progressDuration / totalDuration) * 100;
+        this.finishedPercent =
+          100 * Math.min(1, progressDuration / totalDuration);
 
         if (!datapoint) return;