diff --git a/install/upgrade_check.sh b/install/upgrade_check.sh
index 4b86d847..026256cb 100755
--- a/install/upgrade_check.sh
+++ b/install/upgrade_check.sh
@@ -28,6 +28,11 @@ then
     if [ -f "/var/lib/alternc/backups/lastversion" ]
     then
 	oldvers="`cat /var/lib/alternc/backups/lastversion`"
+	# this is a *version number*, not a *last upgrade script* we have this *border case*
+	if [ "$oldvers" = "3.1" ]
+	then
+	    oldvers="3.1.0~b.php"
+	fi
     else
 	echo "##############################################"
 	echo "# NO VERSION FOUND TO UPGRADE FROM, ABORTING #"
diff --git a/install/upgrades/3.0.0~1.sql b/install/upgrades/3.0.0~1.sql
index a39d6d31..865f0c60 100644
--- a/install/upgrades/3.0.0~1.sql
+++ b/install/upgrades/3.0.0~1.sql
@@ -413,9 +413,6 @@ update mail_domain, domaines
         and mail_domain.mail like '%@%'
         and mail_domain.type = 0
         and mail_domain.pop = 0;
-~
-
-
 
 -- Insert procmail managed addresses.
 -- Note: those addresses should be treated as local managed adresses.