diff --git a/platform/features/timeline/res/templates/timeline.html b/platform/features/timeline/res/templates/timeline.html
index 8dc145b7f0..6e74a8c7b2 100644
--- a/platform/features/timeline/res/templates/timeline.html
+++ b/platform/features/timeline/res/templates/timeline.html
@@ -128,7 +128,7 @@
             <div style="overflow: hidden; position: absolute; left: 0; top: 0; right: 0; height: 30px;" mct-scroll-x="scroll.x">
                 <mct-include key="'timeline-ticks'"
                              parameters="{
-                                         fullWidth: zoomController.toPixels(zoomController.duration()),
+                                         fullWidth: timelineController.width(zoomController),
                                          start: scroll.x,
                                          width: scroll.width,
                                          step: zoomController.toPixels(zoomController.zoom()),
diff --git a/platform/features/timeline/src/controllers/TimelineZoomController.js b/platform/features/timeline/src/controllers/TimelineZoomController.js
index d94a05d291..990a83a5b3 100644
--- a/platform/features/timeline/src/controllers/TimelineZoomController.js
+++ b/platform/features/timeline/src/controllers/TimelineZoomController.js
@@ -38,7 +38,8 @@ define(
             // Round a duration to a larger value, to ensure space for editing
             function roundDuration(value) {
                 // Ensure there's always an extra day or so
-                var sz = zoomLevels[zoomLevels.length - 1];
+                var tickCount = bounds.width / tickWidth,
+                    sz = zoomLevels[zoomLevels.length - 1] * tickCount;
                 value *= 1.25; // Add 25% padding to start
                 return Math.ceil(value / sz) * sz;
             }