diff --git a/ui/webui/src/components/AnacondaWizard.jsx b/ui/webui/src/components/AnacondaWizard.jsx
index 54273147051..5cbdf99500b 100644
--- a/ui/webui/src/components/AnacondaWizard.jsx
+++ b/ui/webui/src/components/AnacondaWizard.jsx
@@ -51,7 +51,7 @@ import {
 const _ = cockpit.gettext;
 
 export const AnacondaWizard = ({ dispatch, isBootIso, osRelease, storageData, localizationData, onAddErrorNotification, title, conf }) => {
-    const [isFormValid, setIsFormValid] = useState(true);
+    const [isFormValid, setIsFormValid] = useState(false);
     const [stepNotification, setStepNotification] = useState();
     const [isInProgress, setIsInProgress] = useState(false);
     const [storageEncryption, setStorageEncryption] = useState(getStorageEncryptionState());
diff --git a/ui/webui/src/components/localization/InstallationLanguage.jsx b/ui/webui/src/components/localization/InstallationLanguage.jsx
index eaadc0f7274..37139e9b4e5 100644
--- a/ui/webui/src/components/localization/InstallationLanguage.jsx
+++ b/ui/webui/src/components/localization/InstallationLanguage.jsx
@@ -291,6 +291,10 @@ export const InstallationLanguage = ({ idPrefix, languages, language, commonLoca
         readOsRelease().then(osRelease => setDistributionName(osRelease.NAME));
     }, []);
 
+    useEffect(() => {
+        setIsFormValid(language !== "");
+    }, [language, setIsFormValid]);
+
     return (
         <AnacondaPage title={cockpit.format(_("Welcome to $0"), distributionName)}>
             <Title