diff --git a/build.sh b/build.sh
index 3873daa..aec193b 100755
--- a/build.sh
+++ b/build.sh
@@ -36,6 +36,8 @@ if  [ ! -f webui.tar.gz ]; then
   npm install react-modal react-toastify react-router-dom
   npm install
   npm run build
+else
+  tar -xzvf webui.tar.gz
 fi
 cd ..