Fix minor back-compatibility issue with custom bindings
Fix minor back-compatibility issue with custom bindings

pianove/knockout,pianove/knockout,youprofit/knockout,martijnwetering/knockout,bago/knockout,cgourlay/knockout,JesseQin/knockout,DekeYan/knockout,stonegithubs/knockout,stonegithubs/knockout,moonpyk/knockout,gwokudasam/knockout,Sir0xb/knockout,ErikSchierboom/knockout,brianmhunt/knockout,skyh/knockout,Sir0xb/knockout,mattbalmer/knuckles,bago/knockout,xeronith/knockout,DekeYan/knockout,martijnwetering/knockout,youprofit/knockout,getshuvo/knockout,mattbalmer/knuckles,getshuvo/knockout,moonpyk/knockout,brianmhunt/knockout,hitesh97/knockout,xeronith/knockout,gwokudasam/knockout,cgourlay/knockout,skyh/knockout,ErikSchierboom/knockout,JesseQin/knockout,hitesh97/knockout