diff --git a/src/theme.js b/src/theme.js
index 5e390bf2c8..43bc813d34 100644
--- a/src/theme.js
+++ b/src/theme.js
@@ -66,6 +66,7 @@ export class ThemeWatcher {
     }
 
     // XXX: forceTheme param aded here as local echo appears to be unreliable
+    // https://github.com/vector-im/riot-web/issues/11443
     recheck(forceTheme) {
         const oldTheme = this._currentTheme;
         this._currentTheme = forceTheme === undefined ? this.getEffectiveTheme() : forceTheme;