diff --git a/backup.fish b/backup.fish
index 81b63f0..7d9a25e 100755
--- a/backup.fish
+++ b/backup.fish
@@ -18,7 +18,7 @@ set_color -o green
 echo "Mounting luks container..."
 set_color normal
 ssh $SSH_OPT -t -i $KEY $USER@$REMOTE "
-if [ -d $REMOTE_PATH ]
+if [ -d $REMOTE_PATH -a -f .luks-device ]
     set_color -o green; echo \"backup already mounted!\"
     set_color normal
     exit