diff --git a/e2e/calculate-all-params.e2e-spec.ts b/e2e/calculate-all-params.e2e-spec.ts
index d8fafc252971c87066a93b11695868d897b691c4..18a2f844b1cf4dc0fcd407fc0b88e15cf43169e9 100644
--- a/e2e/calculate-all-params.e2e-spec.ts
+++ b/e2e/calculate-all-params.e2e-spec.ts
@@ -2,7 +2,7 @@ import { ListPage } from "./list.po";
 import { CalculatorPage } from "./calculator.po";
 import { Navbar } from "./navbar.po";
 import { PreferencesPage } from "./preferences.po";
-import { browser } from "protractor";
+import { browser, element, by, ElementFinder } from "protractor";
 import { testedCalcTypes } from "./tested_calctypes";
 
 /**