core/modules/system/src/EventSubscriber/ThemeSettingsCacheTag.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/modules/system/src/EventSubscriber/ThemeSettingsCacheTag.php b/core/modules/system/src/EventSubscriber/ThemeSettingsCacheTag.php
index eb68d75..1d03c77 100644
--- a/core/modules/system/src/EventSubscriber/ThemeSettingsCacheTag.php
+++ b/core/modules/system/src/EventSubscriber/ThemeSettingsCacheTag.php
@@ -53,8 +53,8 @@ public function __construct(ThemeHandlerInterface $theme_handler, CacheTagsInval
    *   The Event to process.
    */
   public function onSave(ConfigCrudEvent $event) {
-    // Global theme settings.
-    if ($event->getConfig()->getName() === 'system.theme.global') {
+    // Theme configuration and global theme settings.
+    if (in_array($event->getConfig()->getName(), ['system.theme', 'system.theme.global'])) {
       $this->cacheTagsInvalidator->invalidateTags(['rendered']);
     }