build: fix system config
build: fix system config

Fix #1952

ysyun/angular-seed-stub-api-environment,felipecamargo/ACSC-SBPL-M,fr-esco/angular-seed,mgechev/angular-seed,nie-ine/raeber-website,idready/Philosophers,nickaranz/robinhood-ui,pieczkus/whyblogfront,Karasuni/angular-seed,felipecamargo/ACSC-SBPL-M,mgechev/angular2-seed,dmitriyse/angular2-seed,ysyun/angular-seed-stub-api-environment,vyakymenko/angular-seed-express,JohnnyQQQQ/angular-seed-material2,hookom/climbontheway,sanastasiadis/angular-seed-openlayers,dmitriyse/angular2-seed,mgechev/angular2-seed,vyakymenko/angular-seed-express,felipecamargo/ACSC-SBPL-M,christophersanson/js-demo-fe,nickaranz/robinhood-ui,ysyun/angular-seed-stub-api-environment,Karasuni/angular-seed,hookom/climbontheway,jigarpt/angular-seed-semi,hookom/climbontheway,jelgar1/fpl-api,sanastasiadis/angular-seed-openlayers,nie-ine/raeber-website,fr-esco/angular-seed,jigarpt/angular-seed-semi,Shyiy/angular-seed,sanastasiadis/angular-seed-openlayers,AWNICS/mesomeds-ng2,arun-awnics/mesomeds-ng2,christophersanson/js-demo-fe,fr-esco/angular-seed,Shyiy/angular-seed,idready/Philosophers,dmitriyse/angular2-seed,pieczkus/whyblogfront,ysyun/angular-seed-stub-api-environment,nickaranz/robinhood-ui,mgechev/angular-seed,nie-ine/raeber-website,arun-awnics/mesomeds-ng2,Karasuni/angular-seed,idready/Philosophers,AWNICS/mesomeds-ng2,pieczkus/whyblogfront,JohnnyQQQQ/angular-seed-material2,dmitriyse/angular2-seed,Shyiy/angular-seed,arun-awnics/mesomeds-ng2,hookom/climbontheway,vyakymenko/angular-seed-express,jelgar1/fpl-api,jigarpt/angular-seed-semi,jelgar1/fpl-api,christophersanson/js-demo-fe,mgechev/angular2-seed,mgechev/angular-seed,nie-ine/raeber-website,JohnnyQQQQ/angular-seed-material2,AWNICS/mesomeds-ng2