diff --git a/app/assets/javascripts/web_device_interface.ts b/app/assets/javascripts/web_device_interface.ts
index c49d44bdd..e163a93a5 100644
--- a/app/assets/javascripts/web_device_interface.ts
+++ b/app/assets/javascripts/web_device_interface.ts
@@ -106,7 +106,7 @@ export class WebDeviceInterface extends DeviceInterface {
     if (!keychain) {
       keychain = {};
     }
-    this.bridge.setKeychainValue({
+    return this.bridge.setKeychainValue({
       ...keychain,
       [identifier]: value
     });
@@ -118,7 +118,7 @@ export class WebDeviceInterface extends DeviceInterface {
       return;
     }
     delete keychain[identifier];
-    this.bridge.setKeychainValue(keychain);
+    return this.bridge.setKeychainValue(keychain);
   }
 
   getRawKeychainValue(): Promise<any> {