diff --git a/scripts/upgrade b/scripts/upgrade
index f6db140..667b6d9 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -47,8 +47,19 @@ sudo yunohost app setting movim protected_uris -d
 sudo yunohost app setting movim skipped_uris -d
 sudo yunohost app clearaccess movim
 
+# Replace old public_site variable (if exists) by ssoenabled
+if [ ! -z "$public_site" ] && [ $public_site = "Yes" ];
+then
+        sudo yunohost app setting movim public_site -d
+        sudo yunohost app setting movim ssoenabled -v "No"
+elif [ ! -z "$public_site" ] && [ $public_site = "No" ];
+then
+        sudo yunohost app setting movim public_site -d
+        sudo yunohost app setting movim ssoenabled -v "Yes"
+fi
+
 # SSOwat Configuration
-if [ $ssoenabled = "No" ] || [ $public_site = "Yes" ];
+if [ $ssoenabled = "No" ];
 then
         sudo yunohost app setting movim skipped_uris -v "/"
         sudo yunohost app ssowatconf