Work around an issue with sarge 0.1.5
Work around an issue with sarge 0.1.5

Closes #2747

Jaesin/OctoPrint,Jaesin/OctoPrint,foosel/OctoPrint,Jaesin/OctoPrint,foosel/OctoPrint,foosel/OctoPrint,foosel/OctoPrint,Jaesin/OctoPrint