diff --git a/CHANGELOG.md b/CHANGELOG.md
index beba702..2dd1a73 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,8 @@
 
 #### Features ####
 
-*   Added ability to set zoom_factor(Dmytro Budnyk)
+*   Added ability to set zoom_factor (Dmytro Budnyk)
+*   Write JSON to the logger, rather than Ruby [Issue #430]
 
 #### Bug fixes ####
 
@@ -12,6 +13,7 @@
 ### 1.5.0 ###
 
 #### Features ####
+
 *   Added ability to clear network traffic (Vick Vu)
 *   Added ability to set paper_size via a driver setter (Philippe Lehoux)
 *   Can support Basic HTTP authentication
@@ -20,6 +22,7 @@
     element and Capybara 2.2 support (Pedro Carriço)
 
 #### Bug fixes ####
+
 *   Use `Capybara::Helpers.normalize_whitespace` in filter_text to strip unicode
     whitespace (Wataru Miyaguni)
 *   Fix missed interpolation on deprecated error classes
@@ -32,6 +35,7 @@
 ### 1.4.1 ###
 
 #### Bug fixes ####
+
 *   Kill thread first off and then close IO [Issue #385]
 
 ### 1.4.0 ###
@@ -100,7 +104,7 @@
 
 ### 1.1.2 ###
 
-#### Bug fixes #####
+#### Bug fixes ####
 
 *   Tie to faye-websocket 0.4 as 0.5 introduces incompatibilities.
 
@@ -246,7 +250,7 @@
     [Issue #83]
 *   Added status code support. (Dmitriy Nesteryuk and Jon Leighton) [Issue #37]
 
-#### Bug fixes ###
+#### Bug fixes ####
 
 *   Fix issue with `ClickFailed` exception happening with a negative
     co-ordinate (which should be impossible). (Jon Leighton, Gabriel
diff --git a/lib/capybara/poltergeist/browser.rb b/lib/capybara/poltergeist/browser.rb
index 2d5985d..7ee0593 100644
--- a/lib/capybara/poltergeist/browser.rb
+++ b/lib/capybara/poltergeist/browser.rb
@@ -268,11 +268,13 @@ module Capybara::Poltergeist
     end
 
     def command(name, *args)
-      message = { 'name' => name, 'args' => args }
-      log message.inspect
+      message = JSON.dump({ 'name' => name, 'args' => args })
+      log message
 
-      json = JSON.load(server.send(JSON.dump(message)))
-      log json.inspect
+      response = server.send(message)
+      log response
+
+      json = JSON.load(response)
 
       if json['error']
         klass = ERROR_MAPPINGS[json['error']['name']] || BrowserError
diff --git a/spec/integration/session_spec.rb b/spec/integration/session_spec.rb
index 0087e53..67a5993 100644
--- a/spec/integration/session_spec.rb
+++ b/spec/integration/session_spec.rb
@@ -540,7 +540,7 @@ describe Capybara::Session do
       @session.visit("/")
       @session.find(:css, "a").click
 
-      position = eval(TestSessions.logger.messages.last)["response"]["position"]
+      position = JSON.load(TestSessions.logger.messages.last)["response"]["position"]
       expect(position["x"]).to_not be_nil
       expect(position["y"]).to_not be_nil
     end
diff --git a/spec/unit/browser_spec.rb b/spec/unit/browser_spec.rb
index fac56d2..bff0128 100644
--- a/spec/unit/browser_spec.rb
+++ b/spec/unit/browser_spec.rb
@@ -11,13 +11,13 @@ module Capybara::Poltergeist
       subject      { Browser.new(server, client, logger) }
 
       it 'logs requests and responses to the client' do
-        request  = { 'name' => 'where is', 'args' => ["the love?"] }
-        response = { 'response' => '<3' }
-        server.stub(:send).with(MultiJson.dump(request)).and_return(JSON.dump(response))
+        request = %({"name":"where is","args":["the love?"]})
+        response = %({"response":"<3"})
+        server.stub(:send).with(request).and_return(response)
 
         subject.command('where is', 'the love?')
 
-        expect(logger.string).to eq("#{request.inspect}\n#{response.inspect}\n")
+        expect(logger.string).to eq("#{request}\n#{response}\n")
       end
     end
   end