diff --git a/core/internals.py b/core/internals.py
index 5f14781..99e29e3 100755
--- a/core/internals.py
+++ b/core/internals.py
@@ -107,12 +107,13 @@ def filter_path(path):
             os.remove(os.path.join(path, temp))
 
 
+
 def videotime_from_seconds(time):
     if time < 60:
         return str(time)
     if time < 3600:
-        return '{}:{}'.format(str(time // 60), str(time % 60).zfill(2))
+        return '{0}:{1:02}'.format(time//60, time % 60)
 
-    return '{}:{}:{}'.format(str(time // 60),
-                             str((time % 60) // 60).zfill(2),
-                             str((time % 60) % 60).zfill(2))
+    return '{0}:{1:02}:{2:02}'.format((time//60)//60,
+                                      (time//60) % 60,
+                                      time % 60)