diff --git a/bin/oxtimeline b/bin/oxtimeline
index 6f0f319..508fa16 100755
--- a/bin/oxtimeline
+++ b/bin/oxtimeline
@@ -33,6 +33,7 @@ if __name__ == '__main__':
     timeline.extract(opts.prefix, opts.width, opts.height)
     oxgst.timeline.createTimelineMultiline(opts.prefix)
     oxgst.timeline.makeTiles(opts.prefix, 16, 3600)
-    oxgst.timeline.makeTimelineOverview(opts.prefix, 1920)
+    oxgst.timeline.makeTimelineOverview(opts.prefix, 1920, height=16)
+    oxgst.timeline.makeTimelineOverview(opts.prefix, 1920, height=64)
 
 
diff --git a/oxgst/timeline.py b/oxgst/timeline.py
index 39b5896..a0b855c 100644
--- a/oxgst/timeline.py
+++ b/oxgst/timeline.py
@@ -176,9 +176,9 @@ def makeTimelineByFramesPerPixel(timeline_prefix, frames_per_pixel, inpoint=0, o
 def makeTimelineOverview(timeline_prefix, width, inpoint=0, outpoint=0, duration=-1, height=16):
     input_scale = 25
     
-    timeline_file = '%s.overview.%s.png' % (timeline_prefix, width)
+    timeline_file = '%s.%s.png' % (timeline_prefix, height)
     if outpoint > 0:
-        timeline_file = '%s.overview.%s.%d-%d.png' % (timeline_prefix, width, inpoint, outpoint)
+        timeline_file = '%s.overview.%s.%d-%d.png' % (timeline_prefix, height, inpoint, outpoint)
 
     timeline = loadTimeline(timeline_prefix)
     duration = timeline.size[0]