diff --git a/src/UI/i18n/Locale.ts b/src/UI/i18n/Locale.ts
index b970446830..b2e3ac58b3 100644
--- a/src/UI/i18n/Locale.ts
+++ b/src/UI/i18n/Locale.ts
@@ -2,6 +2,7 @@ import { UIEventSource } from "../../Logic/UIEventSource"
 import { LocalStorageSource } from "../../Logic/Web/LocalStorageSource"
 import { Utils } from "../../Utils"
 import { QueryParameters } from "../../Logic/Web/QueryParameters"
+import Doc = Mocha.reporters.Doc
 
 export default class Locale {
     public static showLinkToWeblate: UIEventSource<boolean> = new UIEventSource<boolean>(false)
@@ -63,9 +64,11 @@ export default class Locale {
             source = LocalStorageSource.Get("language", browserLanguage)
         }
 
-        source.addCallbackAndRun((l) => {
-            document.documentElement.setAttribute("lang", l)
-        })
+        if (!Utils.runningFromConsole && typeof document !== undefined) {
+            source.addCallbackAndRun((l) => {
+                document.documentElement.setAttribute("lang", l)
+            })
+        }
 
         if (!Utils.runningFromConsole) {
             // @ts-ignore