diff --git a/app/Ninja/OAuth/OAuth.php b/app/Ninja/OAuth/OAuth.php
index 487cd6172f..ae394775d9 100644
--- a/app/Ninja/OAuth/OAuth.php
+++ b/app/Ninja/OAuth/OAuth.php
@@ -30,7 +30,7 @@ class OAuth {
         $user = null;
 
         if($this->providerInstance)
-            $user = User::where('email', $this->providerInstance->getTokenResponse($token))->first();
+            $user = User::where('oauth_user_id', $this->providerInstance->getTokenResponse($token))->first();
 
         if ($user)
             return $user;
diff --git a/app/Ninja/OAuth/Providers/Google.php b/app/Ninja/OAuth/Providers/Google.php
index 0425b3f1d6..996ac8b8e4 100644
--- a/app/Ninja/OAuth/Providers/Google.php
+++ b/app/Ninja/OAuth/Providers/Google.php
@@ -9,7 +9,7 @@ class Google implements ProviderInterface
         $client = new \Google_Client(['client_id' => env('GOOGLE_CLIENT_ID','')]);
         $payload = $client->verifyIdToken($token);
         if ($payload)
-            return $this->harvestEmail($payload);
+            return $this->harvestSubField($payload);
         else
             return null;
     }
@@ -19,5 +19,9 @@ class Google implements ProviderInterface
         return $payload['email'];
     }
 
-
+    private function harvestSubField($payload)
+    {
+        $data = $payload->getAttributes();
+        return $data['payload']['sub']; // user ID
+    }
 }