diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/settings/languages/workspace/language/views/edit/workspace-view-language-edit.element.ts b/src/Umbraco.Web.UI.Client/src/backoffice/settings/languages/workspace/language/views/edit/workspace-view-language-edit.element.ts
index eaf73dc108..b87993bcd9 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/settings/languages/workspace/language/views/edit/workspace-view-language-edit.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/settings/languages/workspace/language/views/edit/workspace-view-language-edit.element.ts
@@ -164,7 +164,7 @@ export class UmbWorkspaceViewLanguageEditElement extends UmbLitElement {
 	}
 
 	#renderCultureWarning() {
-		if (this._startData?.isoCode === this.language?.isoCode) return nothing;
+		if (!this._startData?.isoCode || this._startData?.isoCode === this.language?.isoCode) return nothing;
 
 		return html`<div id="culture-warning">
 			Changing the culture for a language may be an expensive operation and will result in the content cache and indexes