diff --git a/configs/scripts/ca.sh b/configs/scripts/ca.sh
index affa2df..24ef801 100755
--- a/configs/scripts/ca.sh
+++ b/configs/scripts/ca.sh
@@ -10,7 +10,7 @@ openssl genrsa -out /root/ca.key 2048
 chmod 400 /root/ca.key
 mkdir -p /etc/ssl/certs/
 mkdir -p /etc/ssl/private/
-openssl req -x509 -new -nodes -key /root/ca.key -sha256 -days 1024 -out /etc/ssl/certs/ca.crt -subj '/C=CH/ST=Zurich/L=Zurich/O=InterstellarNet/OU=NONE/CN=INTERSTELLAR'
+openssl req -x509 -new -nodes -key /root/ca.key -sha256 -days 1024 -out /etc/ssl/certs/ca.crt -subj '/C=CH/ST=Zurich/L=Zurich/O=InterstellarNet/OU=NONE/CN=INTERSTELLAR' -extensions v3_ca
 cp /etc/ssl/certs/ca.crt /root
 cp /etc/ssl/certs/ca.crt /usr/local/share/ca-certificates/
 chown -R www-data:www-data /etc/ssl/private/