diff --git a/README.md b/README.md
index 7fc803f6..a817b84a 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [Mailtrain](http://mailtrain.org) is a self hosted newsletter application built on Node.js (v10+) and MySQL (v8+) or MariaDB (v10+).
 
-![](http://mailtrain.org/mailtrain.png)
+![](https://mailtrain.org/mailtrain.png)
 
 ## Features
 
diff --git a/setup/functions b/setup/functions
index fa6a2497..3b21c71c 100644
--- a/setup/functions
+++ b/setup/functions
@@ -92,7 +92,7 @@ EOT
     
     # Install required node packages
     for idx in client shared server zone-mta; do
-        (cd $idx && npm --unsafe-perm install)
+        (cd $idx && npm install)
     done
     
     (cd client && npm run build)
diff --git a/setup/install-centos7-local.sh b/setup/install-centos7-local.sh
index 6e616ae6..55b072dc 100644
--- a/setup/install-centos7-local.sh
+++ b/setup/install-centos7-local.sh
@@ -1,5 +1,4 @@
 #!/bin/bash
-set -x
 
 # This installation script works on CentOS 7
 # Run as root!