diff --git a/src/settings/Settings.ts b/src/settings/Settings.ts
index 4a4594b6dc..2a699897a6 100644
--- a/src/settings/Settings.ts
+++ b/src/settings/Settings.ts
@@ -649,6 +649,8 @@ export const SETTINGS: {[setting: string]: ISetting} = {
     [UIFeature.IdentityServer]: {
         supportedLevels: LEVELS_UI_FEATURE,
         default: true,
+        // Identity Server (Discovery) Settings make no sense if 3PIDs in general are hidden
+        controller: new UIFeatureController(UIFeature.ThirdPartyID),
     },
     [UIFeature.ThirdPartyID]: {
         supportedLevels: LEVELS_UI_FEATURE,