diff --git a/wcfsetup/install/files/js/WoltLabSuite/Core/Language/Input.js b/wcfsetup/install/files/js/WoltLabSuite/Core/Language/Input.js
index 5e2c1961db3..d06721abceb 100644
--- a/wcfsetup/install/files/js/WoltLabSuite/Core/Language/Input.js
+++ b/wcfsetup/install/files/js/WoltLabSuite/Core/Language/Input.js
@@ -130,6 +130,10 @@ define(["require", "exports", "tslib", "../Dom/Util", "../Language", "../Ui/Drop
         if (data.languageId !== languageId) {
             const values = _values.get(elementId);
             if (data.languageId) {
+                const beforeSelect = data.callbacks.get("beforeSelect");
+                if (beforeSelect) {
+                    beforeSelect(data.element);
+                }
                 values.set(data.languageId, data.element.value);
             }
             if (languageId === 0) {
diff --git a/wcfsetup/install/files/js/WoltLabSuite/Core/Language/Text.js b/wcfsetup/install/files/js/WoltLabSuite/Core/Language/Text.js
index 7facfc3782d..f63c62cac4b 100644
--- a/wcfsetup/install/files/js/WoltLabSuite/Core/Language/Text.js
+++ b/wcfsetup/install/files/js/WoltLabSuite/Core/Language/Text.js
@@ -33,6 +33,8 @@ define(["require", "exports", "tslib", "./Input", "../Component/Ckeditor"], func
         LanguageInput.init(elementId, values, availableLanguages, forceSelection);
         LanguageInput.registerCallback(elementId, "select", callbackSelect);
         LanguageInput.registerCallback(elementId, "submit", callbackSubmit);
+        // CKEditor does not permanently mirror the contents to the <textarea>.
+        LanguageInput.registerCallback(elementId, "beforeSelect", callbackSubmit);
     }
     exports.init = init;
 });