diff --git a/setup.sh b/setup.sh
index c254148..690f945 100755
--- a/setup.sh
+++ b/setup.sh
@@ -289,7 +289,7 @@ if [ "${useCertbot}" -eq 1 ]; then
 fi
 
 # Generate paths from CertbotDomain
-if [ "${CertbotDomain}" -eq 1 ]; then
+if [ -n "${CertbotDomain}" ]; then
     CertPath="/etc/letsencrypt/live/${CertbotDomain}/fullchain.pem"
     KeyPath="/etc/letsencrypt/live/${CertbotDomain}/privkey.pem"
     CAChainPath="/etc/letsencrypt/live/${CertbotDomain}/chain.pem"