if (runningrates['maxrate'] != new_maxrate) or \
(runningrates['minrate'] != self.MinRate * 1000) or \
(runningrates['maxexemptrate'] != new_maxi2rate) or \
- (runningrates['minexemptrate'] != self.Mini2Rate * 1000) or \
+ ('minexemptrate' in runningrates and runningrates['minexemptrate'] != self.Mini2Rate * 1000) or \
(runningrates['share'] != self.Share):
# Apply parameters
bwlimit.set(xid = self.xid, dev = dev_default,