diff --git a/backend/src/services/tautulli.ts b/backend/src/services/tautulli.ts
index ea723a8..574ba60 100644
--- a/backend/src/services/tautulli.ts
+++ b/backend/src/services/tautulli.ts
@@ -54,12 +54,14 @@ export async function backfillUserHistory(user: {
 			if (await prisma.watchEvent.findUnique({ where: { sessionId } }))
 				continue;
 			const percentComplete = item.percent_complete || 0;
-			const watchDurationMinutes = Math.floor(
-				(item.stopped - item.started) / 60,
-			);
+			const watchDurationSeconds =
+				item.duration ||
+				(item.stopped && item.started ? item.stopped - item.started : 0);
+			const watchDurationMinutes = Math.floor(watchDurationSeconds / 60);
 			if (
 				percentComplete < minWatchPercent ||
-				watchDurationMinutes < minWatchMinutes
+				watchDurationMinutes < minWatchMinutes ||
+				watchDurationMinutes > 600
 			)
 				continue;
 			const creditsEarned = watchDurationMinutes * creditsPerMinute;