diff --git a/install/common.sh b/install/common.sh
index 5ce87ee..70c1e38 100755
--- a/install/common.sh
+++ b/install/common.sh
@@ -2,6 +2,14 @@
 
 set -e
 
+if [ "$(id -u)" = "0" ]; then
+   echo "You probably don't want to run this as root!"
+   echo "Do this first:"
+   echo "adduser caspervk"
+   echo "adduser caspervk sudo"
+   exit 1
+fi
+
 # Packages
 sudo apt update
 sudo apt upgrade