diff --git a/scripts/installs/setup_glassfish.bat b/scripts/installs/setup_glassfish.bat
index ff8b38e..12a26da 100644
--- a/scripts/installs/setup_glassfish.bat
+++ b/scripts/installs/setup_glassfish.bat
@@ -1,6 +1,6 @@
 mkdir C:\glassfish
 powershell -Command "(New-Object System.Net.WebClient).DownloadFile('http://download.java.net/glassfish/4.0/release/glassfish-4.0.zip', 'C:\Windows\Temp\glassfish4.zip')" <NUL
-cmd /c ""C:\Program Files\7-Zip\7z.exe" x "C:\Windows\Temp\glassfish4.zip" -oC:\glassfish"
+cmd /c ""C:\Program Files\7-Zip\7z.exe" -y x "C:\Windows\Temp\glassfish4.zip" -oC:\glassfish"
 copy /Y "C:\vagrant\resources\glassfish\admin-keyfile" "C:\glassfish\glassfish4\glassfish\domains\domain1\config\admin-keyfile"
 copy /Y "C:\vagrant\resources\glassfish\domain.xml" "C:\glassfish\glassfish4\glassfish\domains\domain1\config\domain.xml"
 cmd.exe /c "C:\glassfish\glassfish4\bin\asadmin.bat create-service domain1"