diff --git a/CHANGELOG.md b/CHANGELOG.md
index e345c1b67..76cc6214c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [unreleased]
+### Fixed
+- Fix Vertical Slider regression [#479](https://github.com/plotly/dash/issues/479)
 
 ## [0.44.0] - 2019-03-04
 ### Added
diff --git a/src/components/Slider.react.js b/src/components/Slider.react.js
index 9d415f355..28378ecba 100644
--- a/src/components/Slider.react.js
+++ b/src/components/Slider.react.js
@@ -18,7 +18,7 @@ export default class Slider extends Component {
     }
 
     render() {
-        const {id, setProps, updatemode, loading_state} = this.props;
+        const {id, loading_state, setProps, updatemode, vertical} = this.props;
         const {value} = this.state;
         return (
             <div
@@ -26,6 +26,7 @@ export default class Slider extends Component {
                 data-dash-is-loading={
                     (loading_state && loading_state.is_loading) || undefined
                 }
+                style={vertical ? {height: '100%'} : {}}
             >
                 <ReactSlider
                     onChange={value => {
diff --git a/test/IntegrationTests.py b/test/IntegrationTests.py
index 03dbac57f..55de61648 100644
--- a/test/IntegrationTests.py
+++ b/test/IntegrationTests.py
@@ -11,6 +11,7 @@
 
 from selenium import webdriver
 from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 
 
 class IntegrationTests(unittest.TestCase):
@@ -20,11 +21,13 @@ def setUpClass(cls):
         super(IntegrationTests, cls).setUpClass()
 
         options = Options()
+        capabilities = DesiredCapabilities.CHROME
+        capabilities['loggingPrefs'] = {'browser': 'SEVERE'}
 
         if 'DASH_TEST_CHROMEPATH' in os.environ:
             options.binary_location = os.environ['DASH_TEST_CHROMEPATH']
 
-        cls.driver = webdriver.Chrome(chrome_options=options)
+        cls.driver = webdriver.Chrome(options=options, desired_capabilities=capabilities)
         loader = percy.ResourceLoader(
             webdriver=cls.driver,
             base_url='/assets',
@@ -47,7 +50,8 @@ def tearDown(self):
             requests.get('http://localhost:8050/stop')
         else:
             self.server_process.terminate()
-        self.driver.back()
+
+        self.clear_log()
         time.sleep(1)
 
     def startServer(self, app):
@@ -103,28 +107,15 @@ def _stop_server_windows():
         # Visit the dash page
         self.driver.get('http://localhost:8050')
 
-        # Inject an error and warning logger
-        logger = '''
-        window.tests = {};
-        window.tests.console = {error: [], warn: [], log: []};
-
-        var _log = console.log;
-        var _warn = console.warn;
-        var _error = console.error;
-
-        console.log = function() {
-            window.tests.console.log.push({method: 'log', arguments: arguments});
-            return _log.apply(console, arguments);
-        };
-
-        console.warn = function() {
-            window.tests.console.warn.push({method: 'warn', arguments: arguments});
-            return _warn.apply(console, arguments);
-        };
-
-        console.error = function() {
-            window.tests.console.error.push({method: 'error', arguments: arguments});
-            return _error.apply(console, arguments);
-        };
-        '''
-        self.driver.execute_script(logger)
+    def clear_log(self):
+        entries = self.driver.get_log("browser")
+
+        if entries:
+            self.last_timestamp = entries[-1]["timestamp"]
+
+    def get_log(self):
+        entries = self.driver.get_log("browser")
+
+        return [entry for entry in entries if entry["timestamp"] > self.last_timestamp]
+
+    last_timestamp = 0
diff --git a/test/test_integration.py b/test/test_integration.py
index d73ce6c55..3eca2dfc3 100644
--- a/test/test_integration.py
+++ b/test/test_integration.py
@@ -217,6 +217,34 @@ def test_upload_gallery(self):
 
         self.snapshot('test_upload_gallery')
 
+    def test_vertical_slider(self):
+        app = dash.Dash(__name__)
+
+        app.layout = html.Div([
+            html.Label('Vertical Slider'),
+            dcc.Slider(
+                id='vertical-slider',
+                min=0,
+                max=9,
+                marks={i: 'Label {}'.format(i) if i == 1 else str(i)
+                       for i in range(1, 6)},
+                value=5,
+                vertical=True,
+            ),
+        ], style={'height': '500px'})
+        self.startServer(app)
+
+        self.wait_for_element_by_css_selector('#vertical-slider')
+        self.snapshot('vertical slider')
+
+        v_slider = self.driver.find_element_by_css_selector(
+            '#vertical-slider div[role="slider"]'
+        )
+        v_slider.click()
+
+        for entry in self.get_log():
+            raise Exception('browser error logged during test', entry)
+
     def test_gallery(self):
         app = dash.Dash(__name__)