diff --git a/docker.sh b/docker.sh
index 6d557cea1..b285dcd8d 100755
--- a/docker.sh
+++ b/docker.sh
@@ -431,7 +431,6 @@ install() {
 
   docker volume rm azuracast_www_vendor 2>/dev/null || true
   docker volume rm azuracast_tmp_data 2>/dev/null || true
-  docker volume rm azuracast_redis_data 2>/dev/null || true
 
   docker-compose run --rm web -- azuracast_install "$@"
   docker-compose up -d
@@ -554,7 +553,6 @@ update() {
 
     docker volume rm azuracast_www_vendor
     docker volume rm azuracast_tmp_data
-    docker volume rm azuracast_redis_data
 
     docker-compose run --rm web -- azuracast_update "$@"
     docker-compose up -d
diff --git a/src/Installer/Command/InstallCommand.php b/src/Installer/Command/InstallCommand.php
index d4d8fb130..4ab1c613c 100644
--- a/src/Installer/Command/InstallCommand.php
+++ b/src/Installer/Command/InstallCommand.php
@@ -330,7 +330,7 @@ class InstallCommand extends Command
             if (!empty($yamlPorts)) {
                 if ($isStandalone) {
                     $existingPorts = [];
-                    foreach ($yaml['services']['ports'] as $port) {
+                    foreach ($yaml['services']['web']['ports'] as $port) {
                         if (str_starts_with('$', $port)) {
                             $existingPorts[] = $port;
                         }