diff --git a/lib/zero_push/client.rb b/lib/zero_push/client.rb
index 4fc228e..f828d5e 100644
--- a/lib/zero_push/client.rb
+++ b/lib/zero_push/client.rb
@@ -8,7 +8,8 @@ class Client
     attr_accessor :auth_token
 
     def initialize(auth_token)
-      self.auth_token = auth_token
+      @auth_token = auth_token
+
       self.extend(Compatibility)
     end
 
@@ -16,8 +17,7 @@ def initialize(auth_token)
     #
     # @return [Boolean]
     def verify_credentials
-      response = http.get('/verify_credentials')
-      response.status == 200
+      http.get('/verify_credentials').success?
     end
 
     # Sends a notification to the list of devices