diff --git a/test/smoke/src/areas/preferences/preferences.test.ts b/test/smoke/src/areas/preferences/preferences.test.ts
index df2aa0eef9964fd0b4ad16fe8b06ea41a5f8e5b8..795c3aba1d27398d112e37b90267fb5ba6583755 100644
--- a/test/smoke/src/areas/preferences/preferences.test.ts
+++ b/test/smoke/src/areas/preferences/preferences.test.ts
@@ -20,10 +20,7 @@ describe('Preferences', () => {
 		await app.screenCapturer.capture('line numbers');
 		assert.ok(!!lineNumbers.length, 'Line numbers are not present in the editor before disabling them.');
 
-		await app.workbench.settingsEditor.openUserSettings();
-		await app.workbench.settingsEditor.focusEditableSettings();
-		await app.client.keys(`"editor.lineNumbers": "off"`);
-		await app.workbench.saveOpenedFile();
+		await app.workbench.settingsEditor.addUserSetting('editor.lineNumbers', '"off"');
 
 		await app.workbench.selectTab('app.js');
 		lineNumbers = await app.client.waitForElements('.line-numbers', result => !result || result.length === 0);
diff --git a/test/smoke/src/areas/preferences/settings.ts b/test/smoke/src/areas/preferences/settings.ts
index 094fda6a9a08cecf1e6ed308cf146f8641d2580b..b771b3702cc5fcf8f3ea6da2c0ccef4f7821eb5b 100644
--- a/test/smoke/src/areas/preferences/settings.ts
+++ b/test/smoke/src/areas/preferences/settings.ts
@@ -30,9 +30,8 @@ export class SettingsEditor {
 	async addUserSetting(setting: string, value: string): Promise<void> {
 		await this.openUserSettings();
 
-		// await this.spectron.wait(1);
 		await this.focusEditableSettings();
-		await this.spectron.client.keys(`"${setting}": ${value}`);
+		await this.spectron.client.keys(`"${setting}": ${value},`);
 		await this.spectron.workbench.saveOpenedFile();
 	}
 }
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