diff --git a/update-b.sh b/update-b.sh
index aed718f..41d2e99 100644
--- a/update-b.sh
+++ b/update-b.sh
@@ -46,7 +46,7 @@ Web-Dashboar-soft: /opt/FDMR-Monitor-B2
 
 EOFX
 fi
-if [ -f "/etc/nginx/sites-available/000" ]; then
+if [ ! -f "/etc/nginx/sites-available/000" ]; then
 bash -c "$(curl -fsSLk https://gitlab.com/hp3icc/emq-TE1/-/raw/main/install/nginx.sh)"
 fi
 bash -c "$(curl -fsSLk https://gitlab.com/hp3icc/emq-TE1/-/raw/main/menu/menu-fdmr-bridge)"
diff --git a/update.sh b/update.sh
index 53baf33..61a8b52 100644
--- a/update.sh
+++ b/update.sh
@@ -47,7 +47,7 @@ Web-Dashboar-soft: /opt/FDMR-Monitor2
 
 EOFX
 fi
-if [ -f "/etc/nginx/sites-available/000" ]; then
+if [ ! -f "/etc/nginx/sites-available/000" ]; then
 bash -c "$(curl -fsSLk https://gitlab.com/hp3icc/emq-TE1/-/raw/main/install/nginx.sh)"
 fi
 if [ -f "/opt/extra-1.sh" ]