diff --git a/btcpay-setup.sh b/btcpay-setup.sh
index 7051bae..d511827 100755
--- a/btcpay-setup.sh
+++ b/btcpay-setup.sh
@@ -331,7 +331,7 @@ fi
 
 cd "$(dirname $BTCPAY_ENV_FILE)"
 
-if [ $OLD_BTCPAY_DOCKER_COMPOSE != $BTCPAY_DOCKER_COMPOSE ]; then
+if [ "$OLD_BTCPAY_DOCKER_COMPOSE" != "$BTCPAY_DOCKER_COMPOSE" ]; then
     echo "Closing old docker-compose at $OLD_BTCPAY_DOCKER_COMPOSE..."
     docker-compose -f "$OLD_BTCPAY_DOCKER_COMPOSE" down
 fi