diff --git a/app/Http/Controllers/Settings/HomeSettings.php b/app/Http/Controllers/Settings/HomeSettings.php
index 23d434d30..e8d3d195e 100644
--- a/app/Http/Controllers/Settings/HomeSettings.php
+++ b/app/Http/Controllers/Settings/HomeSettings.php
@@ -159,7 +159,7 @@ trait HomeSettings
 	public function emailUpdate(Request $request)
 	{
 		$this->validate($request, [
-			'email'   => 'required|email',
+			'email'   => 'required|email|unique:users,email',
 		]);
 		$changes = false;
 		$email = $request->input('email');