diff --git a/install.sh b/install.sh
index 3592e70..f4a6584 100755
--- a/install.sh
+++ b/install.sh
@@ -29,6 +29,7 @@ main() {
             y)
                 echo "Upgraded podkop..."
                 sed -i '/second/d' /etc/config/podkop
+                sed -i '/update_interval/d' /etc/config/podkop
                 break
                 ;;