Index: render_renderfarmfi.py
===================================================================
--- render_renderfarmfi.py	(revision 1136)
+++ render_renderfarmfi.py	(working copy)
@@ -459,8 +459,13 @@

     def percentageComplete(self):
         totFrames = self.endframe - self.startframe
-        done = math.floor((self.frames / totFrames)*100)
-        if done > 100: done = 100
+        if totFrames != 0:
+            done = math.floor((self.frames / totFrames)*100)
+        else:
+            done = math.floor((self.frames / totFrames+0.01)*100)
+
+        if done > 100:
+            done = 100
         return done

 def xmlSessionsToOreSessions(sessions, queue):