diff --git a/preseed.cfg b/preseed.cfg
index 69e907a..6334206 100644
--- a/preseed.cfg
+++ b/preseed.cfg
@@ -40,7 +40,7 @@ d-i passwd/username string alice
 #d-i passwd/user-password password user_password
 #d-i passwd/user-password-again password user_password
 
-d-i apt-setup/local0/repository string https://alice.ufsj.edu.br/ppa stable main [trusted=yes]
+d-i apt-setup/local0/repository string [trusted=yes] https://alice.ufsj.edu.br/ppa stable main
 
 # Package selection
 tasksel tasksel/first multiselect standard