diff --git a/lib/contentful/client.rb b/lib/contentful/client.rb
index eebd2c1..7652e26 100644
--- a/lib/contentful/client.rb
+++ b/lib/contentful/client.rb
@@ -124,7 +124,7 @@ def timeout_params
         connect: configuration[:timeout_connect],
         read: configuration[:timeout_read],
         write: configuration[:timeout_write]
-      }.compact
+      }.reject { |_, value| value.nil? }
     end
 
     # Returns the default configuration
diff --git a/spec/client_configuration_spec.rb b/spec/client_configuration_spec.rb
index 8326c75..d4d4fbb 100644
--- a/spec/client_configuration_spec.rb
+++ b/spec/client_configuration_spec.rb
@@ -368,7 +368,7 @@ class Cat < Contentful::Entry
       1.upto(2) do |options_count|
         full_options.keys.combination(options_count).each do |option_keys|
           expect do
-            create_client(full_options.slice(*option_keys))
+            create_client(full_options.select { |key, _| option_keys.include?(key) })
           end.to raise_error(ArgumentError)
         end
       end