diff --git a/js/planner.js b/js/planner.js
index 5db6c43..7febf21 100644
--- a/js/planner.js
+++ b/js/planner.js
@@ -1038,7 +1038,12 @@ function refreshTimeline(planId) {
     if (normalizeActivationCopies(plan)) updatePlan(planId, { mechanics: plan.mechanics });
     const timeline = document.getElementById('planner-timeline');
     const settings = document.getElementById('timeline-settings');
-    if (timeline) timeline.innerHTML = renderTimelineHtml(plan);
+    if (timeline) {
+        const savedScroll = timeline.querySelector('.timeline-scroll')?.scrollLeft ?? 0;
+        timeline.innerHTML = renderTimelineHtml(plan);
+        const newScroll = timeline.querySelector('.timeline-scroll');
+        if (newScroll && savedScroll > 0) newScroll.scrollLeft = savedScroll;
+    }
     if (settings) settings.innerHTML = renderTimelineSettingsHtml(plan);
 }