diff --git a/src/Entity/Actor.php b/src/Entity/Actor.php
index 08e654aba2..67a508f729 100644
--- a/src/Entity/Actor.php
+++ b/src/Entity/Actor.php
@@ -547,7 +547,7 @@ class Actor extends Entity
             if (\defined($const)) {
                 return $this->type === \constant($const);
             } else {
-                throw new BugFoundException("Actor cannot be a '{$type}', check your spelling");
+                throw new BugFoundException("Actor cannot be a '{$type}', check your spelling.");
             }
         } else {
             return parent::__call($name, $arguments);
diff --git a/src/Util/Common.php b/src/Util/Common.php
index 1ce6d97ef2..341b2b7e42 100644
--- a/src/Util/Common.php
+++ b/src/Util/Common.php
@@ -328,6 +328,18 @@ abstract class Common
 
     public static function currentLanguage(): Language
     {
-        return self::actor()?->getTopLanguage() ?? Language::getByLocale(self::$request->headers->has('accept-language') ? I18n::clientPreferredLanguage(self::$request->headers->get('accept-language')) : self::config('site', 'language'));
+        // Prefer the Actor's language, if set.
+        $language = self::actor()?->getTopLanguage();
+        if (!\is_null($language)) {
+            return $language;
+        }
+        if (
+            self::config('site', 'detect_language')
+            && !\is_null(self::$request?->headers)
+            && self::$request->headers->has('accept-language')
+        ) {
+            return Language::getByLocale(I18n::clientPreferredLanguage(self::$request->headers->get('accept-language')));
+        }
+        return Language::getByLocale(self::config('site', 'language'));
     }
 }