diff --git a/app/models/spree/gateway/pay_pal_express.rb b/app/models/spree/gateway/pay_pal_express.rb
index fa47cb0c..7a31ad47 100644
--- a/app/models/spree/gateway/pay_pal_express.rb
+++ b/app/models/spree/gateway/pay_pal_express.rb
@@ -19,10 +19,12 @@ def provider_class
 
     def provider
       ::PayPal::SDK.configure(
-        :mode      => preferred_server.present? ? preferred_server : "sandbox",
-        :username  => preferred_login,
-        :password  => preferred_password,
-        :signature => preferred_signature)
+        mode: preferred_server.present? ? preferred_server : "sandbox",
+        username: preferred_login,
+        password: preferred_password,
+        signature: preferred_signature,
+        ssl_options: { ca_file: nil }
+      )
       provider_class.new
     end