diff --git a/oxtimeline/__init__.py b/oxtimeline/__init__.py
index 7ea12cc..75838ce 100644
--- a/oxtimeline/__init__.py
+++ b/oxtimeline/__init__.py
@@ -18,8 +18,12 @@ import Image
 import video
 import audio
 
+def getTiles(timeline_prefix, height=64):
+    files = glob('%s%sp*.png' % (timeline_prefix, height))
+    return sorted(filter(lambda f: f!='%s%sp.png' % (timeline_prefix, height), files))
+
 def loadTimeline(timeline_prefix, height=64):
-    files = sorted(glob('%s%sp*.png' % (timeline_prefix, height)))
+    files = getTiles(timeline_prefix, height)
     f = Image.open(files[0])
     width = f.size[0]
     f = Image.open(files[-1])
@@ -127,7 +131,7 @@ def makeTimelineOverview(timeline_prefix, width, inpoint=0, outpoint=0, duration
     timeline.save(timeline_file)
 
 def makeTiles(timeline_prefix, height=16, width=3600):
-    files = glob('%s64p*.png' % timeline_prefix)
+    files = getTiles(timeline_prefix, 64)
     fps = 25
     part_step = 60
     output_width = width