diff --git a/scripts/install b/scripts/install
index e30ba9d..77c1b2d 100644
--- a/scripts/install
+++ b/scripts/install
@@ -265,7 +265,10 @@ ynh_script_progression --message="Create initial admin user..."
 
 pushd "$final_path"
 	rake_exec="sudo -u $app $ynh_ruby_load_path RAILS_ENV=production bin/rake"
-	ynh_exec_warn_less $rake_exec admin:create['thomas', 'thomas@yopmail.com', 'password']      #[$admin, $email, $password]
+	ynh_exec_warn_less $rake_exec admin:create <<< "'thomas'
+	'thomas@yopmail.com'
+	'password'
+	"      #[$admin, $email, $password]
 popd
 
 #=================================================